Prison conditions 'getting worse'
10 July 2014 Last updated at 05:11 BST
There has been a "significant" and worrying deterioration in the standards of British jails, the chief inspector of prisons in England and Wales says.
In an exclusive interview with BBC Newsnight, Nick Hardwick urged ministers to take immediate action.
But the civil servant in charge of prisons has insisted the prison service is safe.
Nick Hopkins reports.