Boston July 13, 2022 8:09 am OSHA Investigates Beacon Hill Transformer Explosion OSHA continues to investigate the cause of an underground transformer explosion steps from the state capitol Tuesday night that injured two utility workers. US & World Videos 3:09 Clash of protests continues at MIT 2:00 Friends of John O'Keefe testify in Karen Read trial 2:40 Cambridge bans right turns on red lights 2:23 Friend of John O'Keefe testifies in Karen Read trial 1:57 Tensions escalate as protests across Mass. colleges continue
