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Police officers surround two individuals on the ground inside the gates of the Houses of Parliament near the entrance, left, in London, U.K. on Wednesday, March 22, 2017. Shots were fired outside Parliament in London, and at least two people are being treated, according to a Bloomberg reporter on the scene. Photographer: Robert Hutton/Bloomberg via Getty Images
Police officers surround two individuals on the ground inside the gates of the Houses of Parliament near the entrance, left, in London, U.K. on Wednesday, March 22, 2017. Shots were fired outside Parliament in London, and at least two people are being treated, according to a Bloomberg reporter on the scene. Photographer: Robert Hutton/Bloomberg via Getty Images

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Terrorist known to police, had assault convictions

Police identified the terrorist responsible for the deadliest terror attack in London since the 2005 attacks. CNN's Phil Black reports from London.

Terrorist known to police, had assault convictions

Police identified the terrorist responsible for the deadliest terror attack in London since the 2005 attacks. CNN's Phil Black reports from London.