An anti-Mursi protester waves as a military helicopter passes over Tahrir square with lasers pointed at the helicopter during a mass protest to support the army in Tahrir square in Cairo, July 26, 2013. REUTERS
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An aerial picture taken from a military helicopter shows Tahrir Square during a rally of opponents to deposed Egyptian president Mohamed Morsi, in Cairo early on July 27, 2013. At Tahrir Square. AFP PHOTO
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An Egyptian Army helicopter flies over thousands of supporters of Egypt's top military officer, Gen. Abdel-Fatah el-Sissi during a rally in Tahrir Square in Cairo, Egypt, Friday, July 26, 2013. (AP Photo)
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A car that members of the Muslim Brotherhood and supporters of deposed Egyptian President Mohamed Mursi say was burnt by police and plain-clothed people is seen during clashes in Nasr city area, east of Cairo July 27, 2013. REUTERS
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Supporters of deposed Egyptian President Mohamed Mursi run from tear gas fired at them by police during clashes in Nasr city area, east of Cairo July 27, 2013. REUTERS
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Supporters of Egypt's ousted President Mohammed Morsi carry an injured man to a field hospital following clashes with security forces at Nasr City, where pro-Morsi protesters have held a weeks-long sit-in, in Cairo, Egypt, Saturday, July 27, 2013. (AP Photo)
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A blood-stained supporter of Egypt's ousted President Mohammed Morsi walks as others carry an injured man to a field hospital following clashes with security forces at Nasr City, where pro-Morsi protesters have held a weeks-long sit-in, in Cairo, Egypt, Saturday, July 27, 2013. (AP Photo)
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Egyptian army, opponents of Egypt's ousted President Morsi protest at Tahrir Square in Cairo, Egypt. (AP Photo)
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Supporters of the Muslim Brotherhood and Egypt's ousted president Mohamed Morsi (foreground) clash with opponents to Morsi (background) in Cairo. (AFP Photo)
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Turkish supporters of Egypt's ousted president Mohammed Morsi demonstrate to condemn the latest killings in Cairo. (AFP Photo)
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A man holds posters depicting Egypt's top general, Abdel Fattah al-Sisi, (R and 2nd R) and Saudi Arabia's King Abdullah, (L), as Turkish supporters of Egypt's ousted President Morsi demonstrate to condemn the latest killings in Egypt. (AFP Photo)
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Turkish supporters of Egypt's ousted President Morsi demonstrate outside the Egyptian embassy in Ankara. (AFP Photo)
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Supporters of Egypt's ousted President Mohammed Morsi gather outside a field hospital following clashes with security forces at Nasr City, where pro-Morsi protesters have held a weeks-long sit-in, in Cairo, Egypt, Saturday, July 27, 2013. (AP Photo)
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Fireworks are set off near police and anti-Mursi protesters by supporters of deposed Egyptian President Mohamed Mursi during clashes in Nasr city area, east of Cairo July 27, 2013. REUTERS