Egyptian republican guards and army forces secure the perimeter of the Egyptian presidential palace in Cairo on Dec. 6, 2012, after a long night of bloody clashes around here which caused the death of 5 protesters from Muslim Brotherhood (MB) and injury of hundreds from both sides. (Xinhua/Amru Salahuddien)

Egyptian republican guards and army forces secure the perimeter of the Egyptian presidential palace in Cairo on Dec. 6, 2012, after a long night of bloody clashes around here which caused the death of 5 protesters from Muslim Brotherhood (MB) and injury of hundreds from both sides. (Xinhua/Amru Salahuddien)

Egyptian republican guards and army forces secure the perimeter of the Egyptian presidential palace in Cairo on Dec. 6, 2012, after a long night of bloody clashes around here which caused the death of 5 protesters from Muslim Brotherhood (MB) and injury of hundreds from both sides. (Xinhua/Amru Salahuddien)

Egyptian republican guards and army forces secure the perimeter of the Egyptian presidential palace in Cairo on Dec. 6, 2012, after a long night of bloody clashes around here which caused the death of 5 protesters from Muslim Brotherhood (MB) and injury of hundreds from both sides. (Xinhua/Amru Salahuddien)

Egyptian republican guards and army forces secure the perimeter of the Egyptian presidential palace in Cairo on Dec. 6, 2012, after a long night of bloody clashes around here which caused the death of 5 protesters from Muslim Brotherhood (MB) and injury of hundreds from both sides. (Xinhua/Amru Salahuddien)

Egyptian republican guards and army forces secure the perimeter of the Egyptian presidential palace in Cairo on Dec. 6, 2012, after a long night of bloody clashes around here which caused the death of 5 protesters from Muslim Brotherhood (MB) and injury of hundreds from both sides. (Xinhua/Amru Salahuddien)