Boston August 16, 2017 12:25 pm Boston Officials Prepare for Rally on Saturday In the wake of the Charlottesville rally, Boston’s City Hall Plaza prepares for a rally of its own. 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