Pro-government and supporters of Egyptian President Hosni Mubarak (top) and anti-government demonstrators (bottom) clash at Tahrir Square in Cairo February 2, 2011. Opponents and supporters of Mubarak fought in central Cairo on Wednesday in what appeared to be a move by the strongman to stamp out nine days of protests calling for him to quit. REUTERS/Amr Abdallah Dalsh (EGYPT - Tags: CIVIL UNREST POLITICS)