Boston 8 hours ago Water main break floods Boylston Street in Back Bay Crews worked to repair a water main break in Boston’s Back Bay Friday. US & World Videos 2:10 Authorities continue fixing water main break in Boston 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