February 15, 2017 6:25 pm Cause Announced in Deadly Oil Burner Explosion Over-pressurization is the cause of a deadly boiler explosion in Revere, Massachusetts. US & World Videos 3:17 Northeastern's graduation disrupted by 23-year-old who was then detained by police 2:37 Southbridge mom claims photo shows male school admin peeping in girl's bathroom 1:56 20-year-old killed, teen critically hurt in Northbridge double stabbing 1:50 Man found shot to death in Taunton shed 1:43 Authorities respond to incident in Northbridge