January 21, 2015 10:30 am Flag Lowered in Honor of Fatally-Shot Surgeon A flag-lowering ceremony was held outside Brigham and Women’s Hospital in Boston for Dr. Michael J. Davidson. US & World Videos 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:30 Arrests made in string of home break-ins targeting Asian-Americans