Merrimack Valley September 14, 2018 7:15 am Thousands Forced to Evacuate After Mass. Explosions Thousands of people who were forced to evacuate their homes following a series of explosions and fires in the Merrimack Valley are wondering when they can return to their homes. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty
