February 16, 2017 6:40 pm Freedom Trail Celebrates Black History Month Boston’s Freedom Trail is surrounded by memories of our nation’s past, including a great deal of black history. 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