Woman badly hurt by police car in Bristol 30 November 2014 Last updated at 00:33 A woman has been run over by a police car, suffering serious injuries, as officers responded to reports of a man making threats with a knife. She was left with "possible life-threatening head injuries" when she was struck by a force vehicle with its blue lights flashing in Bristol city centre. Police said the woman was hit at the junction of Gloucester Road and Ninetree Hill at 22:00 GMT on Saturday. A man was arrested on suspicion of assault and a knife seized, police say. The woman is being treated at Southmead Hospital. Avon and Somerset Police said the force's professional standards department had been advised of the incident due to the fact a police vehicle was involved. Officers are appealing for witnesses to come forward.