i-495 December 12, 2019 6:29 pm State Trooper Attacked With Knife on I-495 in Amesbury A man slashed a state trooper on Interstate 495 in Amesbury, Massachusetts, before the officer shot him Thursday. US & World Videos 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 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton