Massachusetts August 8, 2017 12:30 pm Chelsea Chemical Scare Forces Evacuation A Massachusetts Water Resources Authority building under construction in Chelsea was evacuated during a hazmat incident. US & World Videos 2:50 Water main break floods Boylston Street in Back Bay 1:50 Man killed in Plainville house fire 2:23 Family demands justice 3 months after trooper's death 2:21 Holiday decorating on a budget 3:50 Obesity expert discusses new proposal for U.S. dietary guidelines
