are too graphic to broadcast. in a shallow grave there are scores of bodies. mostly men of fighting age. but among them, women and children. snipers are deployed around the area and anyone who was trying to flee the town into damascus was sniped. some of them were executed in a summary execution. they were forced to face the walls and then they were shot by the regime forces. reporter: yet on pro-government television, the same town but a version of events which is unrecognizable. these troops, they say, are liberating derhea, purifying it of terrorists, and there are few survivors except the truly tiesed and the terrorized. britain has led the condemnation, saying that if the killings are confirmed it s an atrocity on a new scale. president assad appeared briefly