October 9, 2017 5:20 am Off-Duty Officer Remains Critical After Collision An off-duty Massachusetts police officer remains in critical condition after being struck by a teenager during a collision on Interstate 95 in New Hampshire on Sunday, according to state police. US & World Videos 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct' 4:07 Officer hit and killed while working construction detail in Billerica, authorities say
