On the front line: Inside Britain's prison crisis | BBC Documentary

As plans by the UK government saw thousands of prisoners being released early, the BBC explores what is happening inside prisons. BBC Correspondent Sima Kotecha goes inside HMP Pentonville, one of the UK's most dangerous prisons where violence, overcrowding and self-harm are commonplace. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #BBCNews