APTOPIX Mideast Egypt

November 21, 2011 - 7:20 PM
Two Egyptian protesters throw rocks toward Egyptian riot police in Cairo, Egypt, Monday, Nov. 21, 2011. Security forces fired tear gas and clashed Monday with several thousand protesters in Cairo's Tahrir Square in the third straight day of violence that has killed dozens of people and has turned into the most sustained challenge yet to the rule of Egypt's military. (AP Photo)