Liberal senator Cory Bernardi has renewed his call for a ban on the Muslim burka following this morning's anti-terrorism raids in Sydney and Brisbane.

He described the head covering as a "shroud of oppression" and a "flag of fundamentalism", adding they are "not right" in Australia.

In a tweet sent this morning after 800 police officers mounted Australia's largest anti-terrorist operation in raids on properties in Sydney and Brisbane, Senator Bernardi wrote: "Note burqa wearers in some of the houses raided this morning?"

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