ST. CLAIR COUNTY, Mich. Police are investigating a fatal crash that happened Tuesday afternoon in Cottrelville Township in St. Clair County. Four people died when two SUVs collided at the corner of Broadbridge and Starville roads. The collision sent both vehicles off the road. Its believed that a man and woman were in one vehicle and two men were in the other. Three victims died at the scene and the fourth died at a hospital.