BOSTON (WHDH) - An MBTA train operator who was responsible for a Green Line trolley that derailed on Saturday has been formally suspended amid an investigation into the cause of the incident, officials said Monday.
More than 100 passengers were onboard the D Branch train from Kenmore Station to Fenway Station when it derailed in a tunnel near Kenmore Square around 11 a.m.
Eleven people, including the train operator, were injured. Fire officials said 10 people were hospitalized with non-life-threatening injuries.
Emergency crews could be seen taking the injured out of the tunnel on Stokes baskets.
MBTA Deputy General Manager Jeff Gonneville says the derailment was not caused by a mechanical or infrastructure issue but rather an apparent operator-related error.
“We have a pretty good understanding of what occurred during this accident,” Gonneville told reporters. “We know that obviously the track, the switch, and the vehicle itself were not a cause of this issue.”
About 150 passengers were evacuated from the derailed trolley and another 500 people were evacuated from other Green Line trains.
The operator, a 62-year-old man with three years of experience operating trains, will remain off the job pending the outcome of the investigation.
The train in question has since been moved to a maintenance facility.
Green Line service resumed Sunday morning.
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