17 hours ago Investigation continues after Green Line train derails in Cambridge There is still no timeline for when the MBTA’s Green Line will be back up and running after Tuesday’s derailment. US & World Videos 2:22 Witnesses describe terrifying encounter with suspected shooter in Worcester 2:24 Service resumes on Green Line Extension as investigation into derailment continues 2:26 Trouble on the T: No timeline for Green Line service to resume 1:51 2 dead in series of shootings in Worcester 1:35 Man fatally kills himself on Worcester highway after killing another man, police say