A damning new study of thousands of previously secret documents says police changed statements and tried to blame fans for the 1989 Hillsborough disaster.

Emergency teams are also accused of compromising the safety of the crowd at the stadium, and missing chances which could have saved the lives of over 40 people.

Prime Minister David Cameron and the chief constable of South Yorkshire Police have both issued apologies today.

Trevor Hicks' two daughters were among the 96 who died: