'Everyone wants answers': State, feds hunt for gas blast cause

Gas explosions
A collapsed home and car sit damaged on Chickering Street in Lawrence, Mass., on Thursday, Sept. 13, 2018, after a series of gas explosions in several communities north of Boston. Authorities said Leonel Rondon died after the chimney toppled by the exploding house crashed into his car in the driveway. He was rushed to a Boston hospital but pronounced dead there in the evening.