A plain clothes policeman (C) points his gun as security forces escort Muslim Brotherhood members through supporters of the interim government installed by the army from the Al-Fath mosque on Ramses Square in Cairo August 17, 2013. Supporters of deposed President Mohamed Mursi fought a gun battle with security forces in a Cairo mosque on Saturday, while Egypt’s army-backed government, facing deepening chaos, considered banning his Muslim Brotherhood group. (REUTERS/Amr Abdallah Dalsh)