Dorchester September 17, 2024 11:10 pm Water main break floods streets in Dorchester Boston Water and Sewer crews are working through the night to repair a water main break near Dorchester Avenue and Ashmont Street. US & World Videos 0:51 Cyclist survives cardiac arrest thanks to off-duty nurse and paramedics in Duxbury 2:38 Salem prepares for a busy Halloween season 2:30 Diddy denied bail in sex trafficking case 3:59 Does the Secret Service need an overhaul? 2:47 Dorchester opera asks, ‘Is This America?'