July 31, 2018 6:05 am Crews Gather to Clean Oil Spill in Watertown Crews are working to clean an oil spill near Watertown Square. US & World Videos 2:17 Slain Chelsea woman remembered at vigil 1:33 South End death under investigation 2:24 2-year-old girl seriously hurt after being hit by vehicle in Lowell 2:41 Bill Belichick introduced as head coach at UNC 2:58 Inside the effort to get the MBTA back on track