02/07/2014 BOSTON, MA Passengers walk through the turnstiles below a train arrival clock at the Massachusetts Avenue Orange Line MBTA station in Boston. (Aram Boghosian for The Boston Globe)
Massachusetts Avenue Orange Line MBTA station in Boston.
Aram Boghosian for The Boston Globe

The MBTA orange line is experiencing minor delays after a train broke down at Haymarket Station around 5 p.m., the Transit Authority tweeted.

Tweets from people in the area reported that there was a large Boston Fire Department presence on scene:

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The MBTA originally tweeted that the orange line is experiencing severe delays.

MBTA Transit Police could not immediately be reached for comment.

We will update this story as more information becomes available.