The North Andover area is covered by Columbia Gas of MA, but its electric provider National Grid said electric crews were responding to assist. Gov. Charlie Baker later clarified that he thought the company's response was "adequate".
"On a number of very significant issues we heard one thing and something else happened", Baker said of Columbia Gas.
Gas service was interrupted for 250 customers in Lawrence last month because of a line hit by a third party, according to the company. Several patients were treated and released, but several more remain hospitalized.
An 18-year-old man has died and at least 12 others were injured after dozens of gas explosions apparently triggered by over-pressurised gas line ignited 70 house fires.
In 2014, a gas explosion in New York City's East Harlem neighborhood killed eight people and injured about 50.
Keefe, and Fire Chief Michael Mansfield report that the Town of Andover is now involved in a major gas-related emergency. Lawrence resident Ra Nam said he was in his yard when the smoke detector in his basement went off.
"I've been in the fire service for nearly 39 years and I've never seen anything like this in my entire career".
Joseph Solomon, the police chief in nearby Methuen, said 20 to 25 homes were on fire in Lawrence when he responded to help.
Marc Sanders, a spokesman for the Boston Fire Department, said the department sent between 40 to 45 firefighters, including a haz-mat crew, six engines and two ladders.
Columbia Gas posted an online note shortly after the first explosions that read: "Crews are now responding to reports of multiple fires in Lawrence, MA".
Andover Town Manager Andrew P. Flanagan, Police Chief Patrick E. Keefe and Fire Chief Michael Mansfield said Andover fire responders had put out a total of 35 fires. A gas leak had been reported before that blast.
Authorities said an estimated 8,000 people were displaced at the height of Thursday's post-explosion chaos in three towns north of Boston rocked by the disaster. "Joint investigation will be conducted when situation is stabilized".
The utility company that serviced the affected homes, Columbia Gas, announced earlier Thursday that it would be upgrading gas lines in neighborhoods across the state, including the area where the explosions happened.
Sumwalt said his agency would look at "the design of the pipeline system, any maintenance or upgrades being done or in process of being done on the pipeline". Lawrence Police Chief Roy Vasque told the paper one home in the area had been "demolished" by a blast.
Tactical flight officer and Trooper Eric Fairchild was monitoring the aircraft's forward looking infrared camera "when he observed an anomaly under the pavement at the intersection of Broadway and Andover St". The fire crews were from as far away as Foxborough and Oxford in central MA.
"Through their attention to detail, the crew of MSP Air 5 likely prevented another catastrophic event", it wrote.
Authorities were to cut power to thousands of metres, police said, and residents in all three towns with utilities service from Columbia Gas had been asked to evacuate immediately. "Safety is our top priority", it said.
What happened in the Merrimack Valley yesterday was a tragic incident. He said residents detecting unusual odors should leave their homes.
A fire engine is seen near a building emitting smoke after explosions in Lawrence, Massachusetts, US, September 13, 2018. "It's bad for the people affected, but a pretty small impact in terms of the gas market". He said they will arrive in the area around noon. The club owner and the gas company eventually settled the case.