Running for safety after One World Trade Center's collapse. Courtesy of WCBS Newsradio 880.

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One World Trade Center collapses. Courtesy of WCBS Newsradio 880.

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This video clip provided to "History Uncut" was taken immediately after the planes struck the two World Trade Center towers. We glimpse into the harrowing images of Manhattan that are not often shown in news broadcasts: a cameraman's frantic shadow fleeing the scene of disaster, emergency vehicles rendered unrecognizable by debris, and members of the NYPD who attempt to make sense out of the destruction.

Chaos and confusion at the World Trade Center after the attacks. Courtesy of WCBS Newsradio 880.

The scene in downtown Manhattan after the attack on the World Trade Center. Courtesy of WCBS Newsradio 880.