Massachusetts June 20, 2017 9:30 am MBTA Bus Crashes Into Tree in Arlington Police in Arlington, Massachusetts, say to expect some heavy delays in the area after an MBTA bus crashed into a tree Tuesday morning. US & World Videos 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital