Riots again
, January 30, 2013
Protesters throw tear gas canisters back to riot police (seen in the back) during clashes on Qasr el-Nil bridge, in Cairo on January 29. Egypt's army chief said political unrest was pushing the state to the brink of collapse - a stark warning from the institution that ran the country until last year as Cairo's first freely elected leader struggles to curb bloody street violence. Reuters/Asmaa Waguih