Boston September 14, 2023 11:24 pm Homes and streets flooded after water main break in Mattapan Roads were soaked after a water main break Thursday in Boston’s Mattapan neighborhood. US & World Videos 2:36 Key witness takes stand in Karen Read murder trial 0:20 President Biden to visit Boston, NH Tuesday 2:14 Karen Read trial: Jennifer McCabe returns to the stand Tuesday 0:51 Haitian cultural center breaks ground in Boston 2:05 Gas leak forces evacuations in Lynn