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 1:50 ‘It's about joy': Celebrating MLK at Embrace Boston Sneaker Gala 3:24 Forecast: Winter storm hitting New England, here's the latest 8:44 Winter storm hitting New England, drivers encouraged to stay off the roads 4:33 Forecast: Looking at winter storm's arrival Sunday 0:38 Vt. man rescues dog from icy river