Two people involved in a crash this weekend in Concord, Massachusetts, have died from their injuries. WATCH HERE WATCH HEREPolice said Tuesday that two of the Tesla's occupants — 82-year-old John Hamilton and 85-year-old Paula Hamilton, both of Concord — had died after being airlifted to Lahey Hospital in Burlington. The Honda's driver, a 25-year-old man from Wilmington, also remains hospitalized. Concord police did not give any information on his condition. The cause of the crash remains under investigation by state and local police and the Middlesex County District Attorney's Office.