Boston September 26, 2021 11:48 pm Escalator Malfunction at Back Bay MBTA Station Injures at Least 9 People A witness described a very bloody scene after the escalator reportedly turned into a slide, personnel told him. US & World Videos 0:39 Police respond to incident in Whitinsville 2:39 American man awaits sentencing in Turks and Caicos ammo case 2:05 MIT monitors pair of opposing protests on campus 3:41 Cool air to linger over Boston into the weekend 2:28 Karen Read trial continues, jurors visit crime scene