April 22, 2013 4:52 pm Boston in Mourning The city of Boston and surrounding areas observe a moment of silence to remember the victims of last week’s marathon bombing. Local 14:23 NYPD arrests around 100 protesters at Columbia University 29:11 NYPD moves in on protesters at Columbia University making dozens of arrests 1:45 NYPD enters Columbia University in riot gear to clear protest 1:14 El Minuto 4/30 Spanish Edition 1:02 El Minuto 4/30 English Edition