• Investigation launched after fire at MBTA commuter rail repair facility

    Updated:

    BOSTON - Firefighters battled flames at the commuter rail maintenance facility in Somerville on Tuesday morning.

    The Cambridge Fire Department said on Twitter that a train caught fire which extended to the roof of the facility early in the day.

    Justin Thompson, a spokesman for Keolis, the company that operates the commuter rail, said in a statement just before 7 a.m. that there was "a minor fire in the exhaust ventilation of the building, which is now extinguished."

    There were no injuries or impacts to service, he said, and the cause of the fire is under investigation.

    Asked if the fire originated in a train car as the Cambridge Fire Department tweeted, Thompson said it was too early to speculate on the cause.

    Smoke could be seen billowing from the roof of the MBTA Commuter Rail Facility on 3rd Avenue around 6:30 a.m. Several firefighters were seen attempting to put out the fire on the roof.

    Fire crews from Somerville, Cambridge and Boston were also assisting at the scene, according to a Cambridge Fire tweet.

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