Inside 'torture cells' used by IS
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IS 'torture cells' found in abandoned prison

So-called Islamic State has been pushed back from areas around the northern Syrian city of Manbij, abandoning buildings used to enforce their rule.

The BBC's Jiyar Gol sees inside a facility said to have been run as a prison, with cells used as a form of torture against detainees.

Also see Punishment rules found in IS school