Riot police fire tear gas during clashes with members of the Muslim Brotherhood and supporters of deposed Egyptian President Mohamed Morsi, around Cairo University and Nahdet Misr Square, where they are camping in Giza, south of Cairo August 14, 2013. Egyptian security forces killed at least 30 people on Wednesday when they cleared a camp of Cairo protesters who were demanding the reinstatement of Morsi, his Muslim Brotherhood movement said. [Photo/Agencies]