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The second car of a slow-moving, six-car Red Line train derailed on Tuesday morning.

A T spokesman said the car on the southbound train derailed at Broadway Station at about 9:45 a.m. “and made contact with the edge of the platform.”

There were no injuries, according to T spokesman Joe Pesaturo, who said the cause was being investigated and personnel were “assessing damage to the platform’s edge.”

Photos posted to Twitter by riders on the train showed serious damage to the carriage, including gouges in the metal body and a window in a train operator’s cabin staved in. A chunk of the Broadway platform is also clearly visible embedded in the train body.

The train hit a part of the sidewalk! pic.twitter.com/0sDgvgaibv

— Elisabeth (@ebjacino) September 28, 2021

Forty-seven passengers safely exited the train, Pesaturo said, and buses are replacing Red Line service between Park and JFK/UMass Stations while MBTA personnel work to re-rail the train.

The MBTA also reported Tuesday morning that Orange Line trains were delayed by up to 30 minutes because of a signal problem near Wellington Station in Medford..

The last Red Line derailment, in 2019, resulted in months of severe delays across the system, largely because the train involved also destroyed a signal shed that controlled a large portion of the line.

Chris Lisinski of the State House News Service contributed reporting.