Seven Russian soldiers and several « ISIS Hunters » were killed by explosion in Deir Ezzor. According to the so called opposition media, Russian soldiers and members of ISIS Hunters (special brigade destinated for fighting Islamic State) lost their lives in Deir Ezzor countryside. According to other sources, the Russian and Syrian militars died on Friday in a village of Deir Ezzor. The reports say that an explosion took place at the Criminological Building, nothern of the Panorama circular hub on the highway Deir Ezzor / Damascus. In this place, the Russians allied forces had established their temporary headquarters.