November 8, 2018 7:38 am WATCH: Tractor Trailer Takes Out Part of O'Neill Tunnel Traffic is backed up for miles on Interstate 93 southbound heading to Boston US & World Videos 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students'