November 28, 2017 6:20 am 75th Anniversary of Deadly Cocoanut Grove Fire Seventy-five years ago, Boston witnessed the single worst nightclub fire in U.S. history. US & World Videos 2:04 Newton dentist office aiming to keep kids comfortable 2:08 Tension grows over campus protests in Boston 1:53 Opening statements begin in the Karen Read trial 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil 2:39 MIT president calls for shutdown of student encampments