The Red Line suffered significant delays this morning.Nicolaus Czarnecki/Boston

A mechanical problem that caused smoke at the Red Line T platform at Quincy Center Thursday morning, prompting riders to kick out the windows of a subway car so people could exit the train.

The Red Line was plagued with significant delays during Thursday’s morning rush hour.

MBTA spokesman Joe Pesaturo said the matter was “nothing more than a mechanical issue on the train.”

According to Pesaturo, there was no fire and no smoke inside of the subway cars. There were no injuries, he said.


“While a thorough investigation is still underway, it is known that a failure in the train’s motor and/or propulsion systems resulted in a burst of smoke on the train’s exterior. This was not an emergency situation.”

He added, “The MBTA was about to open the doors when some people on the outside of the train decided to kick the windows. There was no reason for this to happen. It's unclear why some acted in such a manner."

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