A supporter of the Muslim Brotherhood and ousted Egyptian President Mohamed Mursi holds up a cage containing a doll depicting Egypt's army chief Field Marshal Abdel Fattah al-Sisi during a protest around Ain Shams square in east Cairo February 7, 2014. Two explosive devices detonated on Friday near a police checkpoint in Giza, on the outskirts of Cairo, wounding six people, the government and security sources said. REUTERS/Amr Abdallah Dalsh (EGYPT - Tags: POLITICS CIVIL UNREST)