The Latest from Iran (21 February): The Contest Continues

2155 GMT: The 1 Esfand Casualty. Shiraz University students have announced a week of mourning for Hamed Nourmohammadi, who was allegedly thrown off a bridge by security forces during Sunday's protests.

2135 GMT: Political Prisoner Watch. Singer and composer Afshin Taheri was detained on Tuesday and is in an unknown location.

2125 GMT: 1 Esfand. Setareh Sabety offers an overview and crisp analysis of the significance of Sunday's opposition marches:

1st Esfand (Feb.20) was big enough to show that 25th Bahman (Feb.14) was not a single outburst inspired by the events in Tunis and Egypt but rather the revival of an opposition movement that continues to show signs of resilience. Iranians are pragmatists and unlike their Arab neighbors have recent experience with revolution. They will not risk life and limb unless they are sure that they are on the winning side. 1st Esfand was a step in the winning direction for the opposition in Iran.

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