Boston August 10, 2017 3:30 pm Severe Delays on MBTA's Blue Line Due to Medical Emergency The MBTA’s Blue Line is experiencing severe delays due to a medical emergency at Orient Heights in East Boston. US & World Videos 2:18 Owners of historic Concord road fight to keep land private 2:27 Saugus officials issue coyote warning 3:28 Analysis: Who are the vulnerable incumbents in the U.S. Senate? 1:57 Local professor has key role in NASA's Europa mission 1:31 Celebrating Indigenous People's Day