Egyptian Coptic Christians try to put out their burning clothes after they were attacked by unidentified individuals outside the cathedral in the central Cairo neighbourhood of Abbassiya on April 7, 2013, following funeral prayers for four Christians killed in sectarian clashes. Television footage showed scenes of chaos outside the cathedral where Coptic bishops had been calling for peace and calm after the killing of the Christians on April 5. AFP PHOTO / MOHAMMED AL-SHAHED