Dramatic New Footage from Police Bodycams of Orlando Nightclub Attack

Police officers stand guard down the street from the scene of a shooting involving multiple fatalities at a nightclub in Orlando, Fla., Sunday, June 12, 2016. (AP Photo/Phelan M. Ebenhack)

New bodycam video released by the Orlando police from the night of the terror attack on the Pulse nightclub shows the panic and confusion experienced by clubbers as shooter Omar Mateen held off police for more than an hour before finally being taken down in a shootout.

ABC News “Nightline” has some of the gripping footage.