TOPSHOTS ALTERNATIVE CROP An Egyptian man carries an injured girl at the site of a car bomb explosion outside the Cairo police headquarters on January 24, 2014, which killed several people, police and health ministry officials said. The attack came a day before police were to deploy across the capital for the third anniversary of the uprising against Hosni Mubarak, with Islamists calling for mass protests against the new regime. AFP PHOTO / MAHMUD KHALED