Officials in Massachusetts says all the fires are now out after yesterday's gas explosions in Lawrence, Andover, and North Andover.
Governor Charlie Baker says the state will work with NTSB investigators to find out what happened and who should be held accountable.
One person was killed, 25 people were injured, and up to 80 buildings caught fire.
Columbia Gas reports that Boston-area gas pipes are some of the oldest - and leakiest - in the country.
Read more over at the Wall Street Journal.