Merrimack Valley September 19, 2018 7:16 am Mass. Senators Demand Answers From Columbia Gas While Merrimack Valley residents wonder when gas will be restored to their homes, Massachusetts senators are demanding answers from Columbia Gas. 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