(Selden, NY)- A Riverhead man died in a multi-vehicle crash in Selden on Monday. Officials believe that 75-year-old John Swanson may have suffered a medical event while driving westbound on Middle Country Road near North Bicycle Path at approximately 11:30 a. m. Police say Swanson’s vehicle, a 2019 Chevrolet van, jumped the curb and struck a 1997 Dodge pick up truck and a parked vehicle. Swanson was transported to Stony Brook University Hospital where he was pronounced dead. The occupants of the pick up truck were uninjured.