JFK/UMass station

Police are looking for a group of youths who smashed a train window and harassed passengers in Boston. The MBTA Transit Police said the incident happened around 11 p.m. Thursday on a Red Line train near JFK/UMass, where several males threatened to rob people and taunted some because of their ethnicity. Authorities say the boys smashed a train window...

Police are looking for a group of juvenile boys who vandalized a train on the MBTA’s Red Line, smashing a window and harassing passengers.

An MBTA Red Line train experiencing a mechanical problem prompted delays along the line in Boston’s Dorchester neighborhood Tuesday morning, the agency said. The MBTA didn’t immediately say what kind of problem the train had near JFK/UMass Station, but noted 20-minute delays on the Red Line for about an hour. Riders replied to the MBTA’s tweets about the delays...