October 31, 2016 5:40 pm 4 Firefighters Among 5 Hurt in Fire Engine Crash Boston Fire Engine 7 and nine other vehicles were involved in a crash Monday morning in Boston’s Back Bay. US & World Videos 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:30 Arrests made in string of home break-ins targeting Asian-Americans