Facing a Goliath: A supporter of ousted Islamist President Mohammed Morsi shoots a slingshot against Egyptian security forces during clashes in Cairo. Police in riot gear swept in with armored vehicles and bulldozers to clear two sprawling encampments. Gunfire rang out as protesters were showered with tear gas. (Associated Press photographs)

Facing a Goliath: A supporter of ousted Islamist President Mohammed Morsi shoots a slingshot against Egyptian security forces during clashes in Cairo. Police in riot gear swept in with armored vehicles and bulldozers to clear two sprawling encampments. Gunfire rang out as protesters were showered with tear gas. (Associated Press photographs)