July 5, 2016 5:55 am Officials Investigating Barge Explosions at Fireworks Display Officials are investigating after two barges being used for a July Fourth fireworks celebration in Plymouth, Massachusetts, exploded and caught fire Monday night. US & World Videos 0:23 Students clear tent encampment at Harvard University 4:40 Tech Tuesday: OpenAI launches new flagship model 2:23 Albert family member to take stand for 2nd day in Karen Read trial 1:34 Alleged illegal liposuction under investigation at Somerville home after woman dies 0:26 Two people hit, killed by Commuter Train in Natick