The Syrian Observatory for Human Rights group said that 320 people were killed.[14] The offensive against the town reportedly started with the military first surrounding Darayya, thus preventing civilians from escaping, then followed by several days of shelling and ending with house-to-house searches which resulted in executions. A video of what activists described as the fifth and latest mass grave to be filled showed two small children near the edge. One resident said, “The Assad forces killed them in cold blood...I saw dozens of dead people, killed by the knives at the end of Kalashnikovs, or by gunfire.