College/University (on campus), School / University Cambridge, MA – Sprinkler system activates in laboratory fire at MIT; No injuries reported January 14, 2019 viking210 A small explosion in a basement lab at the Massachusetts Institute of Technology prompted a large emergency response last Thursday morning, officials said. The explosion went off at 25 Ames St. around 10:30 a.m., prompting the sprinklers to turn on, according to the Cambridge Fire Department. No injuries have been reported. Officials say the situation is stable. No additional information was immediately available.