Windsor police say a 73-year-old man using a motorized wheelchair was struck and killed by a vehicle while crossing the street. Officers responded to a report of a crash involving a man using a wheelchair at the intersection of Crawford Avenue and Riverside Drive West at 7 p.m. on Sunday. A preliminary investigation determined that the pedestrian was crossing southbound on Crawford Avenue when he was struck by a vehicle travelling westbound on Riverside Drive West. The man was taken to hospital with life-threatening injuries, where he was pronounced dead. The driver remained at the scene. The intersection was closed for several hours while members of the Windsor Police Service Traffic Reconstruction Unit processed the scene. The investigation is ongoing. Anyone who witnessed the collision or has information or video footage is asked to contact the Windsor Police Service Traffic Enforcement Unit at 519-255-6700, ext. 7032. They can also contact Windsor & Essex County Crime Stoppers anonymously at 519-258-8477 (TIPS) or online at www.catchcrooks.com.