Oz Muslims tip off police over radical Islamist text messages

Prime Minister Julia Gillard had yesterday said the video was "truly repulsive".

"(But) there is never any excuse for violent behaviour. To anybody who wants to replicate that behaviour today, I just want to say very strongly that this kind of conduct has no place on the streets of our country," the Prime Minister said.

Opposition leader Tony Abbott also said the protests were not "an acceptable face of Islam... Newcomers to this country are not expected to surrender their heritage, but they are expected to surrender up their hatreds".

The violent protests by some Muslims has raised concerns over immigration, with politician Cory Bernardi stating that it should serve as a "wake-up call" to people who are in denial about a significant problem emerging in Australia.

Foreign Minister Bob Carr said he was "pained and bewildered" by the weekend's events but it was the work of a lunatic fringe.

Immigration Minister Chris Bowen said he was prepared to take action against rioters who are not Australian citizens, once the police investigation has taken place.

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