A protester shouts anti-Mubarak slogans after Friday Prayers in Tahrir Square.
Smoke rises from an unknown location as protesters rally in Tahrir Square.
Opposition supporters listen to Egyptian-born cleric Sheikh Yusuf al-Qaradawi before Friday Prayers in Tahrir Square.
Opposition supporters attend Friday Prayers on Tahrir Square in Cairo.
Opposition supporters rally after Friday Prayers on Tahrir Square in Cairo.
An antigovernment protester waves a bloodstained Egyptian flag in Cairo's Tahrir Square.
Women walk past an opposition supporter holding a poster of Mubarak painted with the Star of David.
A soldier stands guard next to stretchers and paramedics as antigovernment protesters gather on Tahrir Square.
Defense Minister Mohammed Hussein Tantawi talks to antigovernment protesters in Tahrir Square.
Antigovernment demonstrators sleep on Tahrir Square.
Antigovernment protesters take part in Friday Prayers next to an effigy of President Hosni Mubarak on Tahrir Square.
Opposition supporters pray next to a tank on Tahrir Square.