Merrimack Valley Gas Explosions June 23, 2020 6:18 am Columbia Gas to be Sentenced in Merrimack Valley Gas Disaster Columbia Gas will be sentenced virtually by a federal judge in Boston Tuesday in connection with the Merrimack Valley Gas Disaster. US & World Videos 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 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton