An injured demonstrator walks from rioting between pro- and anti-Mubarak supporters in Tahrir Square in Cairo February 2 , 2011. Opponents and supporters of Egypt's President Hosni Mubarak fought with fists, stones and clubs in Cairo on Wednesday in what appeared to be a move by forces loyal to the Egyptian leader to end protests calling for him to quit. REUTERS/Goran Tomasevic (EGYPT - Tags: POLITICS CIVIL UNREST)