Once again, the treatment of women in politics has come into question, after the independent Senator Lidia Thorpe used parliamentary privilege to allege she'd been sexually assaulted in a stairwell at Parliament House. 

It came a day after she had stood in the Senate to accuse the Victorian Senator, David Van, of sexual assault, an accusation he denies and which she later withdrew. 

Senator Van has now been asked to leave the Liberal Party room. 

Today, ABC political reporter, Dana Morse, on Lidia Thorpe's allegations, and the culture at Parliament House. 

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Dana Morse, ABC political reporter, Parliament House, Canberra