Palmer United Party senator Jacqui Lambie has backed calls for burkas to be banned in public, adding that she would not allow anyone wearing the traditional garment into her office for "public and staff safety reasons".

Following yesterday's counter-terrorism raids in Sydney and Brisbane, Liberal senator Cory Bernardi renewed his call for a ban on burkas on his Twitter account, describing them as a "shroud of oppression and flag of fundamentalism" that are "not right" in Australia.

He later told ABC News that his comments were in line with his previous concerns about the burka, which he has described as "un-Australian" and "repressive".

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