SOUTH HAVEN, MI (WHTC) - Authorities are investigating the circumstances behind the death of a Covert man south of South Haven early yesterday morning. Michael Williams’ vehicle left the Blue Star Highway near 12^th Avenue and hit two trees before coming to rest on its side in a deep ravine. Apparently unbuckled, Williams was thrown from the vehicle and died at the scene. An autopsy could shed light as to why he lost control of his vehicle.