Lydia Thorpe got thrown to the floor by a copper not by parkers security but she had tried to invade the stage so I don't know what she was expecting
In Melbourne they did proceed with their protest though despite the number of people there supporting them cracking out the nazi salute and sieg heils. Anyone decent would have packed up and gone home
If you don't know who Pauline Hanson is I suggest googling, that's the lady she is standing with in the picture above. If you can't be bothered to Google she's an Australian politician who makes the BNP look like a progressive party