The Warwick Police Department is investigating a fatal one car motor vehicle accident that occurred on Thurs., Mar. 1 at 8:55 p.m. on County Route 1 near Transport Ln. in Pine Island. Ronald Dejong, 51, of Pine Island, NY was pronounced dead at St. Anthony Community Hospital in Warwick, NY. Dejong was alone in his 2002 Nissan when it struck a tree off the roadway. The investigation is ongoing at this time.