Boston April 21, 2021 11:20 pm Activists in Boston Call for End to Police Violence Protesters marched in Boston a day after Derek Chauvin was found guilty of George Floyd’s murder. 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