September 13, 2018 11:30 pm 1 Fatality, Multiple Injuries in Gas Explosions A teenager was killed and multiple people were injured across three communities in the Merrimack Valley region of Massachusetts on Thursday in a series of gas explosions. US & World Videos 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments 1:40 Heavy police presence near on-campus protests 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail