Police have ramped up security in New York City after an assailant with a knife killed one person and injured four others in Paris Saturday night.
There are no known threats to the city, the NYPD’s Chief of Counterterrorism James R. Waterssaid on Twitter .
Officers posted outside Lincoln Center on the Upper West Side.
NYPD
Officers posted outside Carnegie Hall.
NYPD
Officers posted outside Lincoln Center on the Upper West Side.
