CHARSSADA - A police constable was crushed to death when a tractor ran over him in a bid to avoid checking at a picket in Sardaryab area. According to the police constable, Jehangir was on night duty at checkpost when he asked tractor driver to stop for checking.  But in a bid to avoid checking the driver run over vehicle on him. He was shifted to hospital but succumbed to his injuries. The driver managed to escape from the crime scene taking benefit from darkness of night.