Egyptian Copts gather in cave cathedral ahead of vote on a constitution Marco Longari / AFP - Getty Images An Egyptian flag is waved as thousands of Egyptian Copts attend a Mass in the Cave Cathedral, or St Sama'ans, in the Manshiet Nasser district of Cairo on Dec. 13, 2012, where they prayed for Egypt ahead of the disputed referendum on the new draft constitution slated for Saturday. President Mohammed Morsi and his Islamist allies support the charter while a wide spectrum of liberals, youth groups and others see both the process and the draft as flawed. Egyptian Copts attend a Mass in the Cave Cathedral or St Sama'ans in Cairo on Dec. 13. An Egyptian man prays as thousands of Egyptian Copts attend a Mass in the Cave Cathedral in Cairo on Dec. 13 Egypt's ElBaradei pleas for vote postponement Previously on PhotoBlog: