From the recent Hillsborough Independent Panel Report,
"140. As the severity of the disaster was becoming apparent, SYP Match Commander, Chief Superintendent David Duckenfield, told a falsehood to senior officials that Liverpool fans had broken into the stadium and caused an inrush into the central pens thus causing the fatal crush. While later discredited, this unfounded allegation was broadcast internationally and was the first explanation of the cause of the disaster to enter the public domain.
141. Within days, further serious allegations emerged from unnamed sources, a Police Federation spokesperson and a local Conservative MP, Irvine Patnick. These were that Liverpool fans had conspired to arrive late, many were without tickets, were exceptionally drunk and aggressive and determined to force entry into the stadium.
....
153. Consistent with Lord Justice Taylor's findings, the Panel found no evidence among the vast number of disclosed documents and many hours of video material to verify the serious allegations of exceptional levels of drunkenness, ticketlessness or violence among Liverpool fans. There was no evidence that fans had conspired to arrive late at the stadium and force entry and no evidence that they stole from the dead and dying. Documents show that fans became frustrated by the inadequate response to the unfolding tragedy. The vast majority of fans on the pitch assisted in rescuing and evacuating the injured and the dead"