Riot police were needed to calm a brawl during the Darts Invitational Challenge in Melbourne.

The final between world No 1 Michael van Gerwen and Australia's Simon Whitlock had to be delayed after crowds became embroiled in chaos.

It all started when some spectators started throwing tables and chairs before snapping them in half and body slamming other members of the crowd.

Dozens of riot police had to quell the situation before the final could go on.

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Van Gerwen won the match 9-8.