Massachusetts December 11, 2024 6:23 pm Strong gas odor wafting from Chelsea to Winthrop A putrid smell has people in the Boston area scratching their heads. 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