June 21, 2023 11:21 pm Missing submersible search continues overnight Crews are frantically searching for a submersible bound for the Titanic wreckage, with limited oxygen expected to run out Thursday morning. US & World Videos 1:54 Authorities looking for man accused of sexual assault in Cambridge 0:17 Child injured after being struck by car outside Saugus mall 2:23 Search for suspect after sexual assault reported in Cambridge 4:09 Budgets, staffing, and social media can all impact violence in schools, administrators say 2:35 Sumner Tunnel closed for weekend