An injured Egyptian protester shouts anti-Mubarak slogans during a protest in Tahrir Square in Cairo, Egypt Friday, Feb. 4, 2011. Protesters demanding President Hosni Mubarak's ouster packed Cairo's central square by the tens of thousands Friday, waving Egyptian flags, singing the national anthem and cheering, appearing undaunted and determined after their camp withstood two days of street battles with regime supporters trying to dislodge them. (AP Photo/Ahmed Ali)
