Supporters of Egyptian President Mohammed Morsi chant slogans as one holds up the Quran, Islam's holy book, during a demonstration after the Friday prayer, in Cairo, Egypt, Dec. 14, 2012.
Protesters gather for a demonstration in Tahrir square in Cairo, Egypt, Dec. 14, 2012.
Supporters of Egyptian President Mohamed Mursi and members of the Muslim Brotherhood chant pro-Mursi slogans during a rally in Rabaa El Adaweya Mosque square in Cairo December 14, 2012.
A supporter of Egyptian President Mohammed Morsi attends a rally in Cairo, Egypt, Dec. 14, 2012. Arabic on the poster at center reads, "yes to the Egyptian constitution."