Boston May 10, 2021 6:59 pm Excitement at TD Garden as More Fans Are Allowed Massachusetts relaxed more COVID restrictions Monday, allowing stadiums and arenas to increase capacity to 25%. US & World Videos 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments