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Sadistic all-female Islamic State religious police tortured a screaming woman with a medieval-style spiked clamp - for breast-feeding her child in public.

The feared Al Khansa brigade, said to include Brits, use a gruesome torture instrument called the ‘biter’ to impose strict Sharia law on women in their capital Raqqa.

The giant device consists of two iron jaws covered in spikes that are clamped around the victim’s chest causing immense pain.

Residents in the beleaguered city say the Al Khansa force tortured the woman after they found nursing her child in the Syrian city’s bus station.

The reports emerged as a monitoring group reported at least 120 killings by the terror group of its own militants in the past three months.

Around 1,880 have murdered since the terrorist network declared a “Caliphate” or “Islamic state” in June this year. Over the past six months 1,177 civilians have been slain, including eight women and two children.

It is estimated that 930 civilians from the al-Shaitaat tribe, which is at war with Isis in eastern Syria, were killed in the countryside of Deir Ezzor

One woman, aged 24, was arrested for having see-through clothes.

Brave Batol revealed: “I was in the market buying a few items when the Khansa battalion came and arrested me on the grounds that the Niqab which I was wearing did not meet Sharia requirement.

“They arrested me and escorted me to the torture chamber. Then they asked me to choose between a whip and a biter. I did not know what a biter was and I thought it is a reduced sentence, I was afraid of whipping, so I choose the biter.

“Then they brought a sharp object that had a lot of teeth and held me, placing it on my chest and pressing it strongly. I screamed from the pain. They later took me to hospital.

“I felt then that my femininity had been destroyed completely. I was not the only one that was tortured with this instrument, there were a lot of women there and their situation was tragic.”

A man also told resistance movement website ‘Raqqa is being Slaughtered Silently’ that he was flogged for smoking, now banned by IS laws.

Sami, 25, revealed: “They arrested me on charges of smoking and they took me to their headquarters and then put me to the torture chamber.

“The room floor was full of blood and then they flogged me 40 times and threw me in a cell. There were a lot of detainees, when I looked at them I saw death in their eyes and their situation was pitiful.

“During the three nights I spent at the headquarters, I heard the screams of women and men who IS were torturing. To hear the screams of the people of my city when they are being tortured at the hands of strangers is a torture of another type, which has destroyed my dignity.”

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