Iran prison abuse exposed by hackers' CCTV leak - BBC News

The head of Iran's prison service has apologised after hackers leaked videos showing the abuse of detainees at Tehran's Evin prison.

Mohammad Mehdi Haj-Mohammadi said he took responsibility for the "unacceptable behaviour".

Hackers released CCTV footage in which guards are seen beating prisoners and dragging one on a floor.

Many political prisoners and foreigners are held at Evin.