Boston police investigated reports of gunfire at LoPresti Park on May 28; officers found shell casings and said at least five shots were fired. No injuries were reported.

A 23-year-old man was killed in a motorcycle crash on Boston Road in Billerica; investigators say the crash involved another vehicle and is under review.

A construction crew struck a gas main at Massachusetts Maritime Academy, prompting an evacuation and a campus-wide gas shutoff; no injuries were reported.

A 29-year-old woman died after a Memorial Day hit-and-run on Pawtucket Boulevard; Lowell police have charged a 23-year-old man and say the investigation is ongoing.

A three-alarm fire at East Coast Divers on Boylston Street injured an employee and a firefighter and displaced residents above the shop.

Three teenagers climbed the Old John Hancock weather beacon Wednesday night and fled after an altercation with a security guard. Police say they are investigating.

Four Lynn men received lengthy federal sentences after a probe found they pressed counterfeit pills laced with fentanyl and a potent nitazene called Pyro that investigators tied to multiple deaths.

Two men were stabbed near a Brockton playground; one was flown to a Boston hospital and police say the case is under investigation.

Giovanni “Gio” Bala, 22, was killed after a late-night celebration in Dorchester. Family says he had just completed union carpentry training and was beginning his trade.

A man was wounded after a vehicle standoff and police shooting on Elm Street in Milton. Roads near Nute Middle/High and Milton Elementary were closed while investigators worked.

A Massachusetts State Police trooper was hospitalized after an apparent accidental shooting at the mounted unit barn in Acton; injuries are non-life-threatening and the probe is ongoing.

A husband and wife were arraigned after prosecutors say they attacked diners at a Porter Street restaurant with racial slurs, threats and physical assaults.

State troopers and Boston police dispersed large youth gatherings at Carson Beach and Castle Island; parking and Day Boulevard were closed for hours with no injuries or arrests reported.