A man died after he was pinned under an MBTA Red Line train Monday afternoon, according to the Boston Fire Department.

Authorities responded to the report of a person possibly pinned under a train at the JFK MBTA station around 2:30 p.m.

The victim, a man between 50 and 60 years old, was struck by a train on the Braintree line. He was pronounced dead on scene.

Transit Police detectives and the Suffolk District Attorney's Office are investigating. No foul play is suspected.

Buses were replacing trains in both directions from JFK to N Quincy during the incident. Regular service has since resumed.

Stay with necn and www.necn.com as this story develops.