as seen on October 21, 2021 4:13 pm NYC Doubles Down on Vaccine Mandate For City Workers Labor unions fight back against new vaccine mandate for city employees. Andrew Siff reports. Local 0:34 City College of New York goes remote as protests continue 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