NBCUniversal September 20, 2018 4:35 pm LISTEN: 911 Calls During Gas Explosions Hear residents call 911 to report the series of gas explosions last week in Merrimack Valley. 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