Around 8:25 p.m. Jonathan D. Roger  reports:
Inbound B line train derailed --large flash with a lot of sparks and the back car on the train derailed.
The trolley is partly blocking the outbound tracks and the T is shutting off power - one of the trolley's pantographs is entangled with the overhead lines. None of the roughly 30 passengers in the first car reported injuries; the second car, which actually jumped the tracks, was empty except for the operator - who was taken to St. Elizabeth's Hospital for evaluation.
- Allston 
- The T