Federal prosecutors say an 18-year-old struck a confidential informant during a staged gun sale in Worcester and was arrested after a brief chase.

Paul Toner will serve nine months of probation and complete community service and treatment as part of a deal that avoids a conviction.

A ShotSpotter alert led Springfield police to an apartment where officers say they found a loaded gun and about 20 bags of heroin; a 46‑year‑old man was arrested.

A late‑night wrong‑way crash on I‑495 near Chelmsford injured three people and closed Exit 88 for hours.

A 47-year-old was arrested after an early-morning house fire on Grant Street in Taunton. Three occupants escaped and the blaze is under investigation.

Seventeen people were charged after a chaotic October takeover in Randolph that trapped officers and drew fireworks and mask-clad crowds.

FIU detectives in Springfield arrested a man April 16 and seized roughly 210 grams of cocaine, plus heroin and cash, police say.

Negotiators persuaded a man armed with two knives to surrender at 90 Chestnut Street in Chelsea. Nearby homes sheltered and an adjacent daycare was evacuated; charges are expected.

Detectives arrested an 18-year-old after recovering an unserialized 9mm ghost gun near Suffolk and Wall streets. The suspect now faces multiple weapons charges.

A 45-year-old patient was arrested after allegedly attacking another patient in the Nichols Building at Tewksbury State Hospital, renewing concern over a recent ban on defensive gear.

Boston police answered a report of a person shot near 500 Geneva Ave in Dorchester Monday morning; investigators had no immediate word on victims.

A house fire on River Street near Pine Street in Newton sent heavy smoke through the neighborhood, closed the road and prompted police to ask people to avoid the area.

A Dorchester man convicted in the 1974 death of a toddler was granted parole after about 50 years. The Parole Board ordered transfer to a skilled nursing facility and set conditions of supervision.