BOSTON (WHDH) - Crews are investigating after an MBTA Commuter Rail train derailed following a collision at South Station.
The Fairmount Line train experienced a low-speed derailment after an out-of-service train leaving a maintenance yard made contact with it just outside the station about 8 p.m., according to Keolis, the company that manages the commuter rail.
The collision occurred at a low speed, but it caused three coach cars to derail, officials say.
There were four passengers on board at the time.
There were no reported injuries.
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