Rep. David Nangle stepped down from his leadership role the day after he pleaded not guilty, according to State House News Service.
Police said their investigation suggests that the two were arguing about something when one fired a gun.
Police said a second man, in his 20s, was treated at a hospital for gunshot wounds around the same time as the fatal shooting.
Susan Willand, 54, had been missing since Dec. 20. Her body was found Friday morning in the Merrimack River in Lowell.
Terrance Kelleher,31, is charged with assaulting, strangling and raping a 21-year-old that he met through work.
He is accused of filming a nude 15-year-old in the locker room at a wrestling tournament in Chelmsford.
Chelmsford Police arrested a Waltham man and confiscated his camera after a group of coaches found him in the boys locker room.
Susan Willand, 57, was last seen in her north Chelmsford home, police said.
Chelmsford Police are actively searching for Susan Willand, 54, who was last seen on Friday.
K-9 Flacko is retiring, so there's a new officer taking over.
Police said an argument about a car ended up with a gun being drawn.
It's the first snow day of the season for Chelmsford students.
K-9 units from the Chelmsford Police Department and partner agencies conducted a planned search of Chelmsford High School Thursday.
Red Cross reported one family was displaced after a fire Friday morning on Glen Road.
Authorities said Gregory Fairbairn called police to the couple's home, where police found Mary Fairbairn dead with stab wounds.
Police found videos of 3-to-5-year-old girls being sexually abused by men in the Lowell man's possession.
Crews battled a fire on Jonathan Lane Friday morning.
The 22-year-old was behind the wheel of a car that drifted off the roadway Sunday morning.
A Lawrence man was pronounced dead at the scene, while the woman riding in his car airlifted to Mass General Hospital.
Timothy Grover, who founded the drug treatment home in memory of his daughter, is charged with a string of assaults at Lowell High School.
Lowell Police Officer Kevin Garneau told the teenager he wouldn't arrest her in exchange for sex, authorities said.
One person was hospitalized after a three-car crash on I-495, state police said.
Four cases with ties to Chelmsford were announced in the latest round of Middlesex County indictments.
A mother was seriously injured when her son accidentally shifted gears while she was loading the car, police said.
Police said the suspect forced himself into a man's home at gunpoint and assaulted him.
James Lamb has been charged with five counts of manslaughter in a 2017 crash that killed five people at Lynnway Auto Auction.
Nashoba Valley Technical High School was locked down as police searched for the suspect Thursday morning.
The 17-year-old was thrown from the truck when the driver attempted to do a donut in a parking lot, police said.
Drivers are asked to avoid the area.
The teen made a violent threat on the social media app Monday night, authorities said.
A man with an underwater drone made quite the discovery in Freeman Lake Tuesday.
Chelmsford police asked residents to avoid the Gorham Street area Tuesday.
The U.S. Drug Enforcement Administration tracks addresses where meth labs have been busted. One of them was in Chelmsford.
Middlesex District Attorney Marian Ryan has charged the company and its president in a 2017 crash that killed five people.
Two men face weapons charges in the February 2018 shooting. A third man was arrested Wednesday and charged with murder.
Two separate tractor-trailer crashes on I-495 in Chelmsford resulted in three injuries - and more than a 1,000 UPS packages on the road.
Officials say Jeffrey Groulx fled toward the Chelmsford/Lowell area Saturday and has ties to Westford and Winchendon.
The blaze broke out at a mixed-use building in downtown Lowell on Sunday morning. Two firefighters were reportedly hurt.
The caregivers are accused of physically abusing a non-verbal resident.
A former high school classmate told police the 29-year-old was an "avid flasher."