"FERAL" rioters who wreaked havoc at 2006's G20 meeting have forced a Remembrance Day event to be cancelled.
The three-day defence expo due to start on November 11 has been scrapped amid fears of violence by "low-life anarchists".
Organisers of the Asia-Pacific Defence and Security Exhibition, to be held in Adelaide, took the dramatic step after reports hundreds of protesters from Melbourne and Sydney planned to disrupt it.
In recent weeks, police gave several confidential briefings on the scale of the planned protests and the cost of countering them.
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