CNN: The protesters are using the anniversary to resume demonstrations against the outcome of the June 12 presidential election.
An estimated 2,000 to 3,000 people crowded the streets and headed toward Tehran University, the site of the 1999 student uprising.
Several protesters were hit on the arms and backs by the Basij, the journalist reported. The militia tried to persuade one man, whose face was bleeding, to get into an ambulance, but he refused.
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