July 19, 2019 12:45 pm Crews Respond to Level 4 Hazmat Situation in Boston Emergency crews responded to a Level 3 hazardous materials situation on Washington Street in Boston on Friday afternoon. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 2:09 President of MIT calls for shutting down pro-Palestinian encampments 3:57 Pleasant Sunday despite morning showers 1:00 Three dead in apparent murder-suicide in Lowell