July 21, 2017 5:50 pm Tractor-Trailer Takes Down Wires, Knocks Out Power in Boston A tractor-trailer knocked down power lines in Boston’s Dorchester neighborhood Friday, knocking out power for many. US & World Videos 0:19 Victims identified in deadly Foxborough crash 2:21 Teenager recovering after being hit by car 0:18 Helicopter rescues five fishermen in Salisbury 3:59 Forecast: Showers this weekend, then another nice stretch of weather 1:47 Disappointment in Dedham after threat of violence cancels football game