On Friday, one day after opposition supporters took to Iran’s streets again to protest the June 12 presidential election, Iranian bloggers pointed to video and photographs that they say document abuses by the security forces and continuing defiance by the protesters.Readers drew our attention to the two video clips embedded below. Both clips were uploaded to YouTube on Friday by an anonymous blogger who said they were shot during Thursday’s protests in Tehran and show members of the pro-government Basij militia beating and shooting bullets or tear gas at opposition supporters.This video seems to show members of the Basij on a motorcycle apprehending and beating a protester: