Immigration detainee: 'There is no dignity in this place'

The BBC has been given a rare insight into what goes on inside the UK's 13 immigration removal centres.

About 3,000 would-be immigrants are held in the centres, and although journalists are not allowed inside, the BBC's Catrin Nye managed to speak to a number of detainees by phone.

In a series of phone calls, a woman who gave her name as Nozuko spoke from inside Yarl's Wood immigration removal centre in Bedfordshire,

"This place is not necessary, they are torturing people daily," she said.

You can listen to Catrin's full documentary, The Detained, online now, or hear it on Monday 12 May at 17:00 BST on BBC Asian Network; you can watch her film on Newsnight at 22.30 on BBC Two.