Date Time Police charge man after not wearing a face mask and assaulting police – Castle Hill A man has been charged after he allegedly assaulted police after being found not wearing a face mask on public transport in Sydney’s north west last night. Officers from The Hills Police Area Command were conducting routine patrols at Castle Hill Metro Station, about 9.30pm yesterday (Tuesday 19 January 2021), when they stopped and spoke to a man who was not wearing a mask. He allegedly became aggressive and argumentative towards the two female officers, claiming it was a violation of human rights not to wear a mask.