A birthday party nearly descended into chaos after a chainsaw-wielding man arrived hurling threats and racist abuse at revellers.
Footage of an 18th birthday celebration in far North Queensland on Saturday has become the focus of a police investigation after the man arrived and allegedly threatened partygoers by revving the dangerous machine in their direction.
The group however turned the tables on the alleged 26-year-old aggressor, kicking and punching him as he attempted to flee in his four-wheel-drive.
'Oh, it's a f***ing chainsaw!' one person shouted.
A birthday party in Cairns nearly