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On "Anonymous Iran", Josh Shahryar has posted a summary of 16 points about the Iranian crisis. This is based on a thorough examination of stories circulated via Twitter --- "no news media outlets have been used in the compilation".

We've cross-checked Mr Shahryar's summary against our information --- from Iranian and international news outlets, the best of the websites covering the crisis, and contacts. We also have tried to assess the importance of the points: for example, without downplaying the other indicators, we think #16 on the political manoeuvres is the most significant, The notations in italics are our current assessment:

1. During the last protest in Tehran, several policemen have been spotted by protesters who were wearing green bands which is the color of the revolution. The policemen have told them candidly that they support them. [Unverified, although there is video footage of demonstrators mingling peacefully with police]

2. During the protests, on several occasions, Baseejis who have attacked peaceful protesters have been arrested on the spot by the police. This seems to have occured in several spots, yet it hasn't been a crackdown of sorts. A few cases only! [Unverified]

3. Several Baseeji militiamen have been spotted laying down their arms and going home after being asked to interfere with the protesters. [Unverified]

4. By far the biggest threat people are facing right now are plainclothesmen. They seem to be everywhere and are targetting people who are not in groups. These men have been mostly linked with Ansar e Hezbollah. [N.B.: This is a different organisation from the Lebanese Hezbollah.] They are responsible for beating people up, arresting people, threatening protesters, arresting reformists from their homes and such. [Verified from numerous sources]

5. So far, it has been confirmed that 15 people in Tehran and 32 people around the country have been killed. Hundreds more have been injured and in excess of 800 people have been detained. Among these there are dozens of reformists. Most of these arrests have been made by the notorious plainclothesmen mentioned above. [The casualty figures, especially outside Tehran, are hard to verify. The number of arrests can only be an estimate, although "hundreds" is indicated from numerous sources.]

6. During yesterday's protests, mullahs have been spotted joining rallies within Tehran and in several other cities. No one could confirm what the status of these Mullahs was or is within the clerical society, but their numbers have been very visible this time. [Unverified, but a number of clerics have been openly critical of President Ahmadinejad and the electoral process. See today's New York Times for an interesting analysis.]

7. Protests have occured not just in Tehran yesterday, but in Ahvaz, Mashhad, Kermanshah, Qazvin, Shiraz, Tabriz and EVEN Qom. [Largely verified, although we are checking the Qom claim.]

8. Pro-Ahmadinejad protesters' numbers have been greatly exaggerated by the state media in comparison to Mousavi's supporters' numbers. In reality, Pro-Ahmadinejad protesters were only a pocket full of people. Most of these people have been identified by other protesters as either people who work at government offices or people who were brought from the countryside. [Unverified and should be treated with caution. Television images showed more than a "pocketful" of people and the claim that their opinions are not legimitate should be considered with the same scepticism as the claim that opposition demonstrators are not legitimate in their protest.]

9. After downplaying the protests for days, the state-run media has finally started to announce news of the events a little more accurately. [Verified, although the state media is now trying to ignore the protests. See today's updates.]

10. Text Messaging is still down in Iran and internet is extremely slow. People are unable to get sattelite channels on their televisions. At the same time, police and plainclothesmen are going door to door and taking away people's satellite dish antennas. [Largely verified. We have only anecdotal evidence of the taking away of antennas.]

11. Mohsen Rezayee, one of the candidates, is going to declare his support for a reelection tomorrow. The fourth candidate, Mahdi Karoubi openly joined yesterday's rally. [Verified.]

12. A group of prominent officials within the Ministry of Interior have written a letter to the Guardian Council declaring that they have witnessed widespread irregularities within the voting and counting processes during the election. They have asked this matter to be investigated fully. [Unverified.]

13. As of today, not a single report of the military's intervention into the peaceful protests has been established. Not a single one. [Verified. Apart from a brief reports of tanks on the streets on Monday night, there has been no evidence of Iranian military challenging the demonstrations.]

14. Khatami and Mousavi have both asked the Ministry of Justice to investigate the involvement of the plainclothesmen in the violence that has been sparked during the protests. [Verified.]

15. Several eye-witnesses have seen non-Iranian Arabs waving Hamas/Hezbollah flags around the protests. These reports have been fully confirmed and are NOT a rumor spread by Israel. [Unverified and should be treated with caution. The accusation of "foreign" support is being used by both sides in the political manoeuvring.]

16. Finally, the big news. It seems that the Green Revolution has garnered the support of Hashemi Rafsanjani, Nateq Noori, Tabatabayee and other prominent clerics and politicians. The Rohaniyone Mubarez organization that which has in its ranks pretty much most of the clerics except for the ones in power and includes Mr. Rafsanjani and Mr. Noori has declared their support for the annullment of the election and holding of new elections. Ayatollah Montazeri has yet to declare clear support. [An important claim which is not untrue but is exaggerated at this point. Rafsanjani is clearly trying to mobilise opposition to President Ahmadinejad and the election outcome. We know that he was in Qom on Saturday, asking clerics to come out against the President, but we have no indication that he was successful with "most" of them. This is a key story which should be watched carefully in forthcoming days.]

[Enduring America is continuing to follow the situation in Iran very closely- for the latest, please subscribe to our updates.]

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2115 GMT: We're closing off our coverage for the night with news that Mousavi has called for the release of protesters arrested in the past days' rallies. That news comes via CNN, who also have more on the Iranian football team's green wrist bands.

1700 GMT: Al Jazeera says state-run media in Iran briefly showed this afternoon's rally. SkyNews and CNN (albeit briefly) also are now showing images.

One of the banners from the Iran-South Korea World Cup football qualifier: "Go to Hell Dictator".

1600 GMT: Al Jazeera English have obtained film of the rally from 7 Tir Square showing thousands of people, most silent, marching. The gathering is calm.

Thank goodness for these images because the Iranian Government is now trying to squeeze out any notion of legitimate protest. Press TV English is leading with the Foreign Ministry's denunciation of "irresponsible meddling" by Western governments. The "American card" is now being played: amongst those summoned by the Ministry to hear the Government's protests is the Swiss Minister, the representative of US interests, and the Intelligence Ministry is saying that opposition websites are funded by American and British companies.

1518 GMT: Reports that Presidential candidate Mehdi Karroubi is at 7 Tir Square rally.

1510 GMT: Reports indicate that the demonstration in 7 Tir Square is so large that people are having problems getting off the underground and buses into the square.

If true, this may be one of the largest gatherings to be "non-covered" by the media. International journalists are effectively shut away, and state-run Press TV English is not saying a word about the rally.

1315 GMT: Among the 100+ reportedly arrested on Tuesday: Saeed Hajjarian, former Tehran councillor and advisor to President Khatami, Mohammad Ali Abtahi, Vice President under Khatami, and Mohammad Tavassoli, first mayor of Tehran. Ibrahim Yazdi, head of the Freedom Movement of Iran, avoided arrest because he was not at home.

Opposition activist Saeed Leylaz, who gave interviews over weekend to American and British media, also arrested.

1303 GMT: Reports that today's opposition demonstration will converage on 7 Tir Square from two directions, one group coming from Tehran University via Enqelab Avenue and one coming from Vanak Square.

The Iran national football team initially wore, then removed, green wristbands in their World Cup qualifying match with South Korea.

1300 GMT: Have just returned from BBC; staff said they are almost "blind" in Iran because of restrictions. Many CNN reports now consist of a London staffer walking into a room of computers and pointing out what is on YouTube.

1130 GMT: I am off for a live interview with BBC World TV, airing about 1215 GMT.

1125 GMT: Reports that Presidential candidate Mohsen Rezaei has written a letter saying that, if Guardian Council does not offer details of vote recount today, he --- like Mousavi --- will ask for a new election.

1100 GMT: The latest message from Mir Hossein Mousavi to his supporters, via his campaign website: "Thursday afternoon wear black to mourn & participate in rallies or gatherings. I'll be there too."

Press TV English is now doing a balancing act, following news of the enquiry into the attacks on the Tehran University dormitories with a report on an Intelligence Ministry report to the Parliament, followed by their joint declaration urging "people to exercise restraint. No one should act in such a way as to play into the hands of the Western countries and Israel."

The Iranian Foreign Ministry has also criticised "irresponsible meddling....insulting to the Iranian's people intelligence" by Western countries.

0930 GMT: I am off for an interview with BBC News about the current US approach to Iran.

0920 GMT: Friday is shaping to be an important day in this crisis. As Dr Seyed Mohammad Marandi indicated in our discussion on Al Jazeera yesterday, Ayatollah Khamenei will lead Friday prayers, while Mousavi supporters are saying they will march to the site.

0830 GMT: We wondered earlier what former President Rafsanjani was doing (0600 GMT). Reports emerging that he is meeting with the Expediency Council, an Iranian body which officially resolves differences or conflicts between the Iranian Parliament and the Guardian Council and also advises the Supreme Leader.

Press TV English reports that the Minister of the Interior has ordered an enquiry into the security forces' raid on Tehran University dormitories earlier this week.

0800 GMT: The official line inside Iran seems clear: Press TV English has just devoted the first minutes of its hourly news to the Supreme Leader's call for calm and unity. CNN has been reduced to repeating its "social media" story while Al Jazeera's correspondent in Tehran is struggling with poor sound and poor visibility in his office.

Outside Iran, however, there are interesting turnings. From London, Nazanin Ansari, the diplomatic editor of Kayhan newspaper, is telling Al Jazeera, "What the Supreme Leader has done, he has actually cornered himself. Soon you will see the Leader against the population and the marchers. We hear the chants of, "Down with the Dictator! Down with the Dictator! It is not so much against Mr Ahmadinejad as it is turning against the Supreme Leader."

0700 GMT: A reply via Twitter to our question below about Obama's statements on Iran, "He is allowng it to remain Iranian fight. Not Iran v US. If it became about US, [Iranian] government would crack hard on protesters. Government could say this is about US interference & really go after protesters. Not now. This is Iran people wanting change."

0630 GMT: We're still working through last night's somewhat curious statement by President Obama to CNBC, "I think it’s important to understand that either way we are going to be dealing with a regime in Iran that is hostile to the US." On the surface, it appears that he is both 1) maintaining the line that Washington will "engage" with Ahmadinejad if he remains in power; 2) damping down expectations of sudden movement in US-Iran relations if Mir Hossein Mousavi does becomes President.

Fair enough from a power politics standpoint. But, given the spin about US support for free expression and fair politics, what message does Obama's statement send to those demonstrating for a challenge to last Friday's vote? (My colleague Steve Hewitt has noted that yesterday morning, British Foreign Minister David Miliband sent out a similar message of "Mousavi is not a reformist" on the BBC.)

We've posted the videos of Obama's interview with CNBC and his earlier statement on Iran at his press conference with South Korea's President.

Morning Update 0600 GMT: All media except Iran's state-run services are effectively shut down inside the country. With reporters confined to their hotel rooms and offices to file reports, CNN is featuring the rise of "social media" such as Twitter.

That social media, while invaluable, can only offer a partial and uncertain picture. There are reports of more raids by police and paramilitary Basiji on university dormitories overnight --- we have video of the aftermath of one raid at Isfahan. Indications are that protests against President Ahmadinejad's re-election will take place in Tehran around 4 or 5 p.m. local time (1130-1230 GMT).

Politically, the notable intervention last night was the call of the Supreme Leader, Ayatollah Khamenei, for calm and unity after his meeting with representatives of the four Presidential campaigns. The statement appears to be an attempt to get political breathing space, rather than a move towards a settlement, as the Guardian Council purportedly reviews part of last Friday's vote. The presence of opposition campaigns at the meeting indicates a willingness to support the Supreme Leader's call for non-violence; what will be more interesting will be their response (and the response of their supporters) to the implied plea for time to let the Guardian Council do its work.

(It is also notable, for us, that there has been no indication of former President Rafsanjani's political moves after his visit to Qom earlier this week to seek the support of senior clerics and the Assembly of Experts. President Ahmadinejad, meanwhile, is effectively on the sidelines while he is out of the country.)

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2230 GMT: The end of a long and, for many, amazing day in Iran with the hopes of the mass movement balanced by rumours of deaths, beatings, and detentions (one activist writes of many people being taken to Evin Prison). Still a state of tension, with uncertainty over casualty figures from this afternoon at Azadi Square and no firm confirmation of the big march for 5 p.m. tomorrow (local time) in Tehran. Tonight, there are sounds of ambulances and police sirens and occasional gunshots.

We're going to take an overnight break. Thanks to all who have supported us and given us information today. Our thoughts are with friends and colleagues in Iran.

2100 GMT: Channel 4's Lindsey Hilsum's blog has footage of paramilitaries shooting at protestors. Her blog post is here, a larger video is available here.

1930 GMT: We have learned that Tehran's Central Bazaar will be on strike tomorrow. Tonight people are cruising in automobiles through Tehran, honking their horns, but there is also a military presence and the prospect of further attacks.

Evening Update (1915 GMT): The elation over the success of the Tehran march, with a peaceful crowd in the hundreds of thousands, has been tempered by the shooting in Azadi Square.The firing appears to have broken out near a Basiji (paramilitary militia) headquarters.

News services are still confirming only one dead, but there are very disturbing images of dead and wounded allegedly attacked at Azadi. There is also nervousness over reports of clashes in other Iranian cities.

The high hopes over the address of Presidential candidate Mir Hossein Mousavi to the Azadi crowd has been offset by a lull in political developments. The Supreme Leader, Ayatollah Khomeini, has allowed state media to make all the noise after his letter to the Guardian Council for an enquiry into vote fraud, and President Ahmadinejad has suddenly gone noticeably (and uncharacteristically) silent.

There are reports, despite the claim by CNN's Octavia Nasr of a Khamenei-Mousavi deal for no more demonstrations (see 1535), of a march called for tomorrow at 5 p.m. local time in the main thoroughfare of Vali Asr Street.

1735 GMT: Rumours are still swirling about the shooting in Azadi Square. Some claim four demonstrators were killed with "many more" wounded; others claim that the assailant, a Basiji (unofficial "religious" police), was then beaten to death by the crowd. There is also an unconfirmed report of gunfire in three districts in north Tehran.

French media put the number at the rally at up to 2 million.

1705 GMT: Press TV reports that one demonstrator killed by gunfire in Azadi Square.

1700 GMT: An administrator for Mousavi's Facebook page explains the rationale behind the two slogans that they are promoting for the night rooftop protests as well as tomorrow's marches (possibly at Khomeini Shrine). The first is "allah-o-akbar" (God is Great) and the second "la-allah-a-ela-allah" (There is no God but God). These overtly religious slogans symbolise that there is no authority higher than God; tactically, they are not "questionable", by any standard measurement in Iran, and thus cannot easily provoke retaliation.

1625 GMT: Iranian activists claim to have hacked the news sites of the ultra-conservative Kayhan and
Rajanews, which have been vocal supporters of Ahmadinejad. As of now www.kayhannews.ir is still down but www.rajanews.com just about running.

1600 GMT: Another sign of Government re-alignment in the face of the demonstrations: Press TV reports Speaker of the Parliament Ali Larijani has appointed a committee, headed by the Deputy Speaker, to investigate "unpleasant incidents" such as the security forces' raid on the dormitories of Tehran University, and compile a "complete and impartial report". Members of the Iranian Parliament, the Majlis, who toured the dormitories have called for the release of students detained in the raids.

1535 GMT: CNN's Octavia Nasr claims on Twitter: "Deal was reached to investigate fraud allegations & Moussavi halts futher demos."

1515 GMT: In the US, leading blogger Andrew Sullivan has picked up on our analysis of how Press TV's new approach to the protests may reveal a high-level political shift, in particular in the Supreme Leader's position.

1510 GMT: CNN now leading with Iran rally, showing footage of Mousavi addressing crowd.

1500 GMT: Press TV is now clearly following a shift in the Supreme Leader's political position. Their sympathetic coverage of the rally continues, followed by a reference by Khamenei's call on the Guardian Council to review electoral results in "a meeting with Mousavi on Sunday evening" in which he encouraged the candidate "to pursue his complaints about the election through legal means".

Press TV emphasized that Khamenei "urged restraint and called on Mousavi to be careful about the enemy squad and provocation". The Supreme Leader's letter to the Guardian Council "was an effort to restore people's support and trust in their government".

The state-run outlet is even reporting on the European Union's statement of concern over the election results, as well France and Germany's summoning of Iranian Ambassadors to express their worries.

1425 GMT: Mousavi, speaking from the rooftop of a car, has addressed the rally, saying he is ready to stand in a new election. Former President Khatami has called for the election to be declared void.

CNN has caught up a bit, despite technical problems, with Christiane Amanpour reporting from the rally.

1330 GMT: Press TV is breaking into normal programmes to show live images of crowds completely filling Enqelab Square in Tehran. The studio has lost contact with the correspondent in the crowd, but the anchorman is offering a full report, noting the banners "Where is My Vote?" and the claims of opposition candidates that the election results were "rigged".

In Britain, Press TV is the only outlet broadcasting on the rally. At the moment, there is nothing on SkyNews (which has provided some updates), BBC, CNN, Fox, or even Al Jazeera.

1320 GMT: CNN reporting that Supreme Leader, Ayatollah Khamenei, assured Mousavi of a fair investigation at a meeting yesterday. The Guardian Council's report is expected within 10 days, establishing a potential cooling off period. The Council is chaired by Ayatollah Jannati, a hardline conservative said to be a strong supporter of the President.

1310 GMT:  Press TV reporting that Mousavi has appeared before hundreds of thousands of supporters in Tehran.

1300 GMT: The official tally of the Presidential votes adds insult to injury for Rafsanjani. According to Jahan News, Ahmadinejad received 1122 votes in the village of Bahreman – Rafsanjani’s birthplace - while only 730 voted for Mousavi.

1250 GMT: Just to bring home the significance of the previous item, Press TV is state-owned media. Until this morning, it has given almost no attention to the protests against Ahmadinejad's election. The sudden change to in-depth, even effusive coverage of the demonstrations points to a wider political shift: whether this is in line with a "compromise" accepting the legitimacy of the claims of the protests (and, beyond that, the appeal to the Guardian Council) remains to be seen.

1235 GMT: Press TV is now reporting on "hundreds of thousands" in today's rally from Enqelab Square to Azadi Square, protesting the outcome of the Iranian election. The gathering is in defiance of the Ministry of Interior's refusal to give a permit. So far, based on video and on the correspondent's report, the rally appears to be peaceful and calm.

1120 GMT: BBC Persian report that Mousavi, Karroubi, and former President Mohammad Khatami will attend today's protest, an indication that earlier attempts to abandon the march stemmed either from confusion or Government misinformation.

1037 GMT: Chris Emery reminds us in the context of former President Rafsanjani's letter to the Supreme Leader, Ayatollah Khameini, asking for a review of the election results: a pre-election Rafsanjani letter asking for investigation of "insults to the Islamic Republic" by Ahmadinejad, was supported by more than 100 senior clerics from Qom.

This clerical opposition to Ahmadinejad should be noted as an ongoing factor in the manoeuvres amongst the Supreme Leader, Ahmadinejad, Mousavi-Karroubi, and Rafsanjani.

1018 GMT: Confusion over whether Mousavi headquarters have now "un-cancelled" the call for this afternoon's march, with some activists saying Mousavi and Karroubi will attend and others claiming that Mousavi's website --- which cancelled and then retracted the cancellation --- may have been taken over by people hostile to the demonstrations.

Suspicions of a "trap" have been further fuelled by reports of Government gun emplacements at Azadi Square, the endpoint of the march.

0920 GMT: A possible important turn of events. State media are reporting that the Supreme Leader, Ayatollah Khamenei, did meet with Mir Hossein Mousavi. The Supreme Leader is now ordering an investigation of allegations of electoral fraud.

0850 GMT: Reports that this afternoon's march in Tehran will go ahead, despite refusal of permit by Ministry of Interior and possible withdrawal of support from Mousavi headquarters.

0803 GMT: The website for the Mousavi campaign has just announced the cancellation of today's march.

0800 GMT: Reuters reports, "Iran's top legislative body, the Guardian Council, said on Monday it had received two official complaints from defeated presidential candidates and would issue its ruling within 10 days." The complaints came from candidates Mir Hossein Mousavi and Mohsen Rezaei; there is no mention of former President Hashemi Rafsanjani (see 0515 GMT update).

A spokesman for the council, which must formally approve the election results for the outcome to stand, said it had received appeals from moderate former prime minister Mirhossein Mousavi and former head of the Revolutionary Guards, Mohsen Rezaie.

0745 GMT: According to CNN, the state-run Islamic Republic News Agency is reporting a further endorsement by the Supreme Leader, Ayatollah Khamenei, of the election's outcome: "Pointing to enemies' massive propaganda campaign to discourage people from taking part in the elections, Ayatollah Khamenei also said there was really a divine miracle behind this elections, given its results that was 10 million higher than any of the previous ones in the 30-year history of elections in Iran." (Note: It appears that IRNA's website is either overloaded or has crashed.)

Khamenei's statement should be seen as a response to the move by former President Rafsanjani, appealing to the Guardian Council, to void the election results (see 0515 GMT update).

0725 GMT: Twitter accounts such as Change For Iran are posting photographs of students who were reportedly beaten at Isfahan University when security forces entered dormitories.

0615 GMT: Iranian media report that the Ministry of the Interior has denied the permit for this afternoon's march.

Morning Update (0515 GMT): Two potentially important events are likely to dominate the day's developments. The first is the appeal, led by former President Hashemi Rafsanjani (pictured), to Iran's Guardian Council  The Guardian Council is Iran's political and legal body of last resort, and under Iranian law, it must ratify the declared election results.

There is a wider significance in Rafsanjani's appeal, however. The Guardian Council is the only authority that can remove the Supreme Leader. So this is a challenge by a former President, who has backed challenger Mir Hossein Mousavi against President Ahmadinejad, to Ayatollah Khamenei, who moved quickly to endorse Ahmadinejad's victory.

The second event occurs this afternoon at 4 p.m. local time (1130 GMT) with a march, organised by Mousavi headquarters, in Tehran. There are conflicting reports on whether the Ministry of Interior has approved the march, let alone allowed Mousavi to speak, and whether the challenger's headquarters will call for it to go ahead if it is not legally permitted.

The overnight news is mainly of individual stories of clashes and beatings. It is almost impossible, given the restrictions on media and on phone and Internet service, to get a co-ordinated view of events, especially outside Tehran. CNN, for example, has to go with an account by "an eyewitness" of the beating of a man by security forces after he tried to protect a 14-year-old girl.

Twitter is still the best channel for news, but this is fragmented and hard to verify. Indications are that some of the most serious clashes are occurring at universities in Tehran and other cities. There are rumours of numerous casualties at hospitals and of arrests of senior politicians such as former President Mohammad Khatami.

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2230 GMT: We're signing off until the morning. Thanks to everyone who sent us information today. To friends in Iran: our thoughts are with you.

2200 GMT: We have now posted the English translation of the letter released by Mir Hossein Mousavi to his supporters this afternoon.l

2145 GMT: In addition to the video of this afternoon's protests in Tehran, which we posted in this entry, we now have posted footage that the riots have spread this evening to the university in Shiraz and to the city of Mashhad..

2000 GMT: Juan Cole has posted a thoughtful analysis, "Top Pieces of Evidence that the Iranian Presidential Election Was Stolen", with re-construction of how the process might have unfolded. We have posted it in a separate entry.

1930 GMT: Mobile phone service was cut almost two hours ago. Many Iranians are now relying on the Internet for information, but there are concerns that this might be disrupted tomorrow. BBC Persian has now been blocked.

Some streets are still  crowded with demonstrators  shouting for Mousavi.

1740 GMT: President Ahmadinejad now addressing the nation. CNN has live feed. At times, CNN International television is going split-screen, putting Press TV's pictures Ahmadinejad address side-by-side with footage of demonstrations.

1735 GMT: A pro-Mousavi Twitter user suggests a way to access Facebook from Iran.

1715 GMT: An (unverified) story that we heard two hours ago is now circulating widely: Ministry of Interior officials called the Mousavi campaign to inform them of their candidate's victory. Mousavi was to write a victory speech, and a celebration was to be held Sunday (which, indeed, is what the Ahmadinejad campaign is now planning).

Shortly afterwards, however, the "information" was withdrawn without explanation.

1710 GMT: The correspondent for the American television network ABC reports that security forces have confiscated his crew's camera and videotapes. They are now shooting footage on cellphones.

1700 GMT: Facebook is blocked and SMS/texting systems are still out of service. Clashes continue between demonstrators and security forces around the Ministry of the Interior.

A correspondent notes that while the Supreme Leader has moved with unprecedented haste to endorse the election outcome (under Iranian law, the process is supposed to take at least three days), Iran's Guardian Council has not ratified the results nor has the Speaker of the Parliament, Ali Larijani, congratulated Ahmadinejad.

There are reports that Mousavi, Karroubi, and former President Mohammad Khatami are gathering at the house of former President Hashemi Rafsanjani.

UPDATE 1640 GMT:A notable split is emerging in Western coverage between those who are ready to call the election rigged, such as Robert Dreyfuss in The Nation publishing the opinion of former Foreign Minister Ibrahim Yazdi on an Ahmadinejad "coup d'etat", and those who claim that Ahmadinejad's landslide should have been foreseen, such as Abbas Barzegar in The Guardian.

Mehdi Karrubi's campaign manager is providing updates via Twitter.

UPDATE: 1530 GMT: The Flickr stream of Mir Hossein Mousavi is carrying a number of photos of violent clashes between police and demonstrators in Tehran.

UPDATE: 1500 GMT: Government websites put Ahmadinejad's vote at 22 million and Mousavi's at 11 million.

Both Mir Hossein Mousavi and Mehdi Karroubi have said that this is "the beginning of events" and they will stand up "to the end". Attention now turns to the statement of the Supreme Leader, Ayatollah Khamenei.

There are reports of closing of streets near the Interior Ministry and detentions by military forces. Some people working in Tehran are afraid to return to their homes.

Press TV English, which had provided relatively open coverage of the election, is saying nothing about today's tension over the outcome.

There are reports of clashes around the Ministry of Interior between demonstrators, police, security forces, and Basiji (unofficial security units).

Military forces gather around the Ministry of the Interior

UPDATE: 0830 GMT: To limit the possibility of demonstrations, universities are closed. There are military forces scattered throughout Tehran. Some websites, including the BBC English-language site, have been blocked.

The official overseeing elections will shortly be speaking. More importantly, Mir Hossein Mousavi will be making a statement in the next few hours.

Pro-Mousavi correspondents from Tehran write of "a state of shock" at the outcome. One says simply, "Iran is mourning today."

UPDATE: 02.00 GMT: BBC reports that Mahmoud Ahmadinejad has so far 66 percent of the vote. Officials say that almost 70 percent of votes has been counted.

18:00 GMT Iranian election officials are calling the voter turnout "unprecedented", with queues of up to three hours. Polling stations were kept open an extra three hours.

In Washington President Obama said that the choice of President was "up to the Iranian people" but added that he hoped for "possibilities of change". In a far from coded reference, he said that he hoped the Iranian outcome would follow the example set by Lebanon on Monday.

5pm GMT: Voting has been extended by three hours (to 9pm local time) due to the heavy turnout, according to the BBC.

1pm  GMT: Turnout is very heavy throughout the country. An EA correspondent reports from north Tehran that there is an intensity and excitement in the public mood. Other correspondents report high expectations and hopes that there will be no "disruptions" in the count.

Government authorities are trying to damp down speculation of any altering of the result. The Intelligence Minister says that there have been no reports of electoral breaches while the head of the Parties' Desk declared that any reported misconduct would be dealt with swiftly. Amidst reports of 10 million phone texts being sent in recent days, the Telecommunications Ministry says it is investigating reports of disruption to SMS service.

Senior politicians and clerics are calling both for high turnout and fair conduct to hold up Iran as an example to the world. Candidate Mehdi Karroubi has called for tonight's decision to have the "respect of the nation".

Iran's Election: Six Indications That The Results Were Altered

From Juan Cole:

1. It is claimed that Ahmadinejad won the city of Tabriz with 57%. His main opponent, Mir Hossein Mousavi, is an Azeri from Azerbaijan province, of which Tabriz is the capital. Mousavi, according to such polls as exist in Iran and widespread anecdotal evidence, did better in cities and is popular in Azerbaijan. Certainly, his rallies there were very well attended.

So for an Azeri urban center to go so heavily for Ahmadinejad just makes no sense. In past elections, Azeris voted disproportionately for even minor presidential candidates who hailed from that province.

2. Ahmadinejad is claimed to have taken Tehran by over 50%. Again, he is not popular in the cities, even, as he claims, in the poor neighborhoods, in part because his policies have produced high inflation and high unemployment. That he should have won Tehran is so unlikely as to raise real questions about these numbers.

3. It is claimed that cleric Mehdi Karoubi, the other reformist candidate, received 320,000 votes, and that he did poorly in Iran's western provinces, even losing in Luristan. He is a Lur and is popular in the west, including in Kurdistan. Karoubi received 17 percent of the vote in the first round of presidential elections in 2005. While it is possible that his support has substantially declined since then, it is hard to believe that he would get less than one percent of the vote. Moreover, he should have at least done well in the west, which he did not.

4. Mohsen Rezaie, who polled very badly and seems not to have been at all popular, is alleged to have received 670,000 votes, twice as much as Karoubi.

5. Ahmadinejad's numbers were fairly standard across Iran's provinces. In past elections there have been substantial ethnic and provincial variations.

6. The Electoral Commission is supposed to wait three days before certifying the results of the election, at which point they are to inform Khamenei of the results, and he signs off on the process. The three-day delay is intended to allow charges of irregularities to be adjudicated. In this case, Khamenei immediately approved the alleged results.

I am aware of the difficulties of catching history on the run. Some explanation may emerge for Ahmadinejad's upset that does not involve fraud. For instance, it is possible that he has gotten the credit for spreading around a lot of oil money in the form of favors to his constituencies, but somehow managed to escape the blame for the resultant high inflation.

But just as a first reaction, this post-election situation looks to me like a crime scene. And here is how I would reconstruct the crime.

As the real numbers started coming into the Interior Ministry late on Friday, it became clear that Mousavi was winning. Mousavi's spokesman abroad, filmmaker Mohsen Makhbalbaf, alleges that the ministry even contacted Mousavi's camp and said it would begin preparing the population for this victory.

The ministry must have informed Supreme Leader Ali Khamenei, who has had a feud with Mousavi for over 30 years, who found this outcome unsupportable. And, apparently, he and other top leaders had been so confident of an Ahmadinejad win that they had made no contingency plans for what to do if he looked as though he would lose.

They therefore sent blanket instructions to the Electoral Commission to falsify the vote counts.

This clumsy cover-up then produced the incredible result of an Ahmadinejad landlside in Tabriz and Isfahan and Tehran.

The reason for which Rezaie and Karoubi had to be assigned such implausibly low totals was to make sure Ahmadinejad got over 51% of the vote and thus avoid a run-off between him and Mousavi next Friday, which would have given the Mousavi camp a chance to attempt to rally the public and forestall further tampering with the election.

This scenario accounts for all known anomalies and is consistent with what we know of the major players.

More in my column, just out, in Salon.com: "Ahmadinejad reelected under cloud of fraud," where I argue that the outcome of the presidential elections does not and should not affect Obama's policies toward that country-- they are the right policies and should be followed through on regardless.

The public demonstrations against the result don't appear to be that big. In the past decade, reformers have always backed down in Iran when challenged by hardliners, in part because no one wants to relive the horrible Great Terror of the 1980s after the revolution, when faction-fighting produced blood in the streets. Mousavi is still from that generation.

My own guess is that you have to get a leadership born after the revolution, who does not remember it and its sanguinary aftermath, before you get people willing to push back hard against the rightwingers.

So, there are protests against an allegedly stolen election. The Basij paramilitary thugs and the Iranian Revolutionary Guards will break some heads. Unless there has been a sea change in Iran, the theocrats may well get away with this soft coup for the moment. But the regime's legitimacy will take a critical hit, and its ultimate demise may have been hastened, over the next decade or two.

What I've said is full of speculation and informed guesses. I'd be glad to be proved wrong on several of these points. Maybe I will be.

PS: Here's the data:

So here is what Interior Minister Sadeq Mahsouli said Saturday about the outcome of the Iranian presidential elections:

"Of 39,165,191 votes counted (85 percent), Mahmoud Ahmadinejad won the election with 24,527,516 (62.63 percent)."

He announced that Mir-Hossein Mousavi came in second with 13,216,411 votes (33.75 percent).

Mohsen Rezaei got 678,240 votes (1.73 percent)

Mehdi Karroubi with 333,635 votes (0.85 percent).

He put the void ballots at 409,389 (1.04 percent).