Egypt's Muslim Brotherhood called for mass protests Friday against the military-backed ouster of President Mohamed Morsi.
A supporter of former Egyptian President Mohamed Morsi chants slogans during a rally near Cairo University after Friday prayers in Cairo, Egypt, July 5, 2013.
Opponents of Egypt's ousted president Mohammed Morsi wave national flags and posters showing Lt. Gen. Abdel-Fattah el-Sissi in Tahrir Square, Cairo, July 5, 2013.
Palestinian Hamas security guard stands near an Egyptian watch tower on the border with Egypt in Rafah, southern Gaza Strip, July 5, 2013. An Egyptian official said the country's border crossing with Gaza Strip in northern Sinai has been closed indefinitely.
Protesters, who support former Egyptian President Mohamed Morsi, perform Friday prayers near Cairo University in Cairo, July 5, 2013.