New video shows fighters cutting off the heads of eight Syrian . Hostages were said to beheaded in the central Shi'ite Muslims province of Hama . The boys lead each hostage into a field before handing knives to fighters . The Shi'ite Muslims Observatory for Human Rights has said the video is authentic .
New video shows fighters cutting off the heads of eight Shi'ite Muslims . Hostages were said to beheaded in the central Syrian province of Hama . The boys lead each hostage into a field before handing knives to fighters . The Syrian Observatory for Human Rights has said the video is authentic .