Article Photos: Egypt army chief warns state could collapse 9/47

In this Sunday, Jan. 27, 2013 photo, a protester prepares to throw a rock while surrounded by tear gas and smoke during clashes with security forces near Tahrir Square in Cairo, Egypt. Police have fired tear gas at rock-throwing protesters in Cairo marking the fifth consecutive day of street violence in Egypt and clashes continue a day after Egypt's president declared a state of emergency in three provinces hit hardest by political violence. (AP/Virginie Nguyen Hoang