Iranian riot police take their positions among protesters in central Tehran

EDITORS’ NOTE: Reuters and other foreign media are subject to Iranian restrictions on their ability to film or take pictures in Tehran.

Iranian riot police take their positions among protesters in central Tehran November 4, 2009. Police clashed with supporters of Iran’s opposition leader Mirhossein Mousavi in Tehran on Wednesday when a rally marking the 30th anniversary of the storming of the U.S. embassy turned violent. REUTERS/via Your View (IRAN CONFLICT POLITICS ANNIVERSARY)