September 20, 2018 5:40 pm First Responders Tell Merrimack Valley Explosion Story A week after gas explosions rocked the Merrimack Valley, some of the many first responders who were in the middle of the chaos are recounting their experiences. US & World Videos 2:01 Taking part in ‘Dry January'? Here are some tips 6:02 Growing concerns about safety after deadly New Orleans attack 2:51 Forecast: Very windy but dry today 2:26 Newly-elected lawmakers sworn-in at Mass. State House 4:42 Analysis: FBI leading investigation into New Orleans truck attack
