Hillsborough: 'Law breaking police should be prosecuted'
13 September 2012 Last updated at 07:01 BST
Hillsborough victims' families say they are to press for criminal action after a damning report on the disaster.
An independent report found some of the 96 dead might have been saved and said police had changed witness statements and tried to blame Liverpool fans.
South Yorkshire Chief Constable David Crompton said if officers had broken the law, they should be prosecuted.
Speaking to the BBC's Newsnight, he said: "My position is a very simple and straightforward one, which is that if people have broken the law then they should be prosecuted''.