August 7, 2019 6:20 pm MBTA Operator Blamed in Green Line Derailment The head of the MBTA is apologizing for yet another derailment — this time on the Green Line. The train’s operator has been taken off the job while the Wednesday incident remains under investigation. US & World Videos 2:42 Suspect in stabbing spree arrested in Cape Cod 1:57 Multi-family home catches fire in Mattapan 1:43 Fight involving over 100 people ends with stabbing at Carson Beach 2:25 Dehydration, heat exhaustion send 10 kids to hospital in Lynn 1:06 Car fire in Ted Williams Tunnel snarls traffic