During the gruesome propaganda clip young uniformed 'soldiers' stand behind the five captives, down on their knees with firearms to the back of their heads.
One of the youths makes a statement in Arabic before all raise their handguns and sickeningly kill the men in front of them.
The children are British, Egyptian, Kurdish, Tunisian, and Uzbek, according to the jihadist-monitoring company SITE Intelligence Group.
All the men in orange jumpsuits they kill are believed to be Kurds, who are apparently being
'punished' for recent Kurdish advances in Syria and Iraq. The second child from the right, who has fair skin, is named as Abu Abdullah Al-Britani (which means British) and is reportedly from the UK though this has yet to be independently confirmed. It is not known exactly how old the boys are.
According to FOX News, the other young killers are identified as Abu Al-Baraa Al-Tunisi, Yousouf Al-Ozbaki, Abu Fuad Al-Kurdi and Abu Ishaq Al-Masri.
