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It is claimed the shocking footage was retrieved from the mobile phone of a dead militant.

In the clip, a suspected ISIS fighter sits on the floor in the middle of a living room while playing with what is reportedly his friend's underwear.

Two other men are seen sitting on a large sofa, while a fourth is standing casually around the room.

All of the men are laughing and sipping drinks while in the background the faint sound of wailing can be heard.

(Image: LIVELEAK)

The video – reportedly filmed in Iraq – shows the man speaking in an Iraqi accent.

He is thought to have said: “I went to Abu Aziz when he was shouting for his slave and I stole his clothes - now I came here and now he has no clothes.

“Now I'll let him go out of the house naked with no clothes.”

While his friends roll about on the sofa laughing they apparently say: “Don’t film, don’t film.”

The video was captured on the phone of a dead ISIS terrorist, named in reports from Arabic radio station Radio Sawa.

(Image: LIVELEAK)

The station reported that the clothes being held by the sitting man belong to his friend who is allegedly raping the screaming victim at the time.

It is understood the terrorist filming the incident died while fighting in Shirqat near Mosul, Iraq.

Earlier it emerged the terror group executed seven ISIS deserters by drowning them in boiling water.

And the parents of a European lad who ran away to join ISIS have shockingly come out in support of their son.