A Chatham man is dead following a two-vehicle collision west of Chatham on the weekend, police say. A Chatham man is dead following a two-vehicle collision west of Chatham on the weekend, police say. one driven by a 46-year-old Tilbury man, the other by the 57-year-old Chatham man, collided on Queen’s Line between Bloomfield and Dillon roads on Sunday just after midnight, police said. Due to the severity of his injuries, the Chatham man was airlifted to London Health Sciences Centre, where he later died, police said. Anyone who witnessed the collision or has information regarding the circumstances leading up to it is asked to contact Const.