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NYPD Heightens Security After London Terror Attack, Police Say

By  Ben Fractenberg and Aidan Gardiner | March 22, 2017 1:56pm 

NEW YORK CITY — The NYPD was on high alert after a terror attack — in which someone tried to storm Britain's Parliament, stabbed a police officer and mowed down pedestrians — left five dead Wednesday, officials said.

The NYPD comments came hours after the London attack, many the details of which remained unclear, according to The New York Times.

London police fatally shot someone who tried to break into Parliament, but they don't know if that's the same person who stabbed a police officer and if the person also drove into pedestrians, the Times reported.

Still, officials are treating the Wednesday violence as a terrorist attack, they said.

Back in New York, police will boost security at Jewish sites because of Passover, as well as the British Consulate, officials said.