Boston Celtics February 21, 2022 11:21 am Vaccine Mandates Lifted at TD Garden in Line With Growing National Trend TD Garden will become yet another institution to lift proof of vaccine requirements when its new rules go into place on Monday. US & World Videos 2:40 Cambridge bans right turns on red lights 2:23 Friend of John O'Keefe testifies in Karen Read trial 1:20 Police activity in Bridgewater connected to investigation 1:41 Karen Read trial Day 7: Canton police officers continue to testify 1:57 Tensions escalate as protests across Mass. colleges continue