1854 GMT: James Miller takes the liveblog.
Reuters is reporting that three separate explosions have rocked Iran's oil and gas industry, though the government is stating that they are unrelated:
The fatal incident at the oil field at Bibi Hakimeh near the Gulf occurred during drilling, when workers unexpectedly encountered an "enormous volume of unknown accumulated gas" in the layers of a reservoir, the semi-official Mehr news agency reported. Three people were injured.
Mehr also reported a separate blast at the Shazand oil refinery in central Iran, but the plant's managing director later told state radio the incident had been exaggerated.
"Nothing special has happened there. There was no fire at all," Majid Rajabi said. "The refinery is functioning normally."
The third blast happened on a 26-inch pipeline carrying gas to an oilfield in Gachsaran in south-western Iran later on Friday, according to the official IRNA news agency.
Even if the blasts turn out to be unrelated, in the direct sense, this will raise serious concerns about the safety of Iran's infrastructure, especially in light of the explosion at the Abadan refinery in May while Ahmadinejad was at the plant.
1810 GMT: Deviant Current Watch. Ali Rezaei, Friday Prayer leader in Birjand and a representative of the Supreme Leader, has said he did not participate in a provincial government meeting because members of the "deviant current" were present.
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