The Massachusetts Bay Transportaiton Authority announced that service on the T's Green Line has resumed Sunday just before 8 p.m.
The Boston Fire Department announced Sunday afternoon that a portion of the T's Green Line had been shut down.
Service was suspended from Park Street to Symphony and Kenmore due to an electrical issue on a track at Arlington station.
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The suspended service affected the Park Street, Bolyston, Arlington, Copley, Hynes Convention Center, Prudential and Kenmore stops.
Trains on the B branch ended at Blandford, while trains on the C and D lines ended at Kenmore Square. Those using the E branch were asked to use the Route 39 bus.
A shuttle ran to and from Copley and Kenmore stations, according to the MBTA.
Fire officials said there was a "light smoke condition" in Arlington Station. They had to shut off power and send in electricians to restore service.
The service suspension came as fans prepared to take public transportation to downtown Boston to celebrate and watch the New England Patriots take on the Los Angeles Rams in Super Bowl LIII.
MBTA officials also said the Kenmore Station stop will close after the third quarter of the game.
This article will be updated as more information is made available.