Two people involved in an accident this weekend in Concord, Massachusetts, have died because of their injuries. A Tesla Model 3 and a Honda Accord clashed at the intersection of Walden Street and Bristers Hill Road around 1:00 p.m. on Saturday, leaving five people injured. Police reported Tuesday that two of the occupants of Tesla — John Hamilton, 82, and Paula Hamilton, 85, both residents of Concord — died after being transported by helicopter …