The chilling video, which features Arabic music and the death cult's typical slick editing for propaganda, surfaced online this afternoon.Â
The child, believed to be a 14-year-old boy, pushes a hostage, dressed in orange prison clothes, by the scruff of his neck through a woodland.Â
The youngster who wears a black scarf and clothing then speaks directly to camera.Â
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We will destroy them as we destroyed Iraq... You can't escape
With his face in full view and the hostage kneeling before the camera, the child points a dagger towards the viewer.Â
He said: "Oh America, these are the soldiers you armed and you spent money on to fight the Sharia of Allah."
The barbaric propaganda video continues with the child speaking to America.Â
He added: "We will destroy them as we destroyed Iraq... You can't escape."
Holding his dagger with one hand on the hostage, he said: "I wish to meet you on the hills of Dabiq".
Although the child is speaking English, it is unclear where he is from.Â
The 17-minute sickening video finishes with the child taking a deep breath as he pushes the male hostage to the ground and cuts his head off.Â
The video is thought to have been filmed in Aleppo, Syria.
It is unclear who the hostage is, but some reports suggest he was a member of the Levant Front, a coalition of rebels who have joined forces to defeat Daesh.Â
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It is not the first time the death cult have used children in their propaganda.
Boys as young as five years old have been encouraged by ISIS to execute their parents and have been seen waving flags in disturbing footage.Â
Five-year-old Isa Dare, the Londoner dubbed Jihadi Junior, appeared in a propaganda video last month.Â