This is a transcript of PM broadcast at 1800 AEST on local radio.
Australian soccer is in crisis again, and crowd violence is to blame.
Perth's coach Bernd Stange was injured. A security guard was knocked unconscious and a female Soccer Australia official was also attacked. Last night's violence is just the latest in a long history of trouble involving Melbourne Knights fans. But Soccer Australia is attempting to play down the significance of another chapter of crowd violence. David Mark reports.