Transcript for New York on High Alert After Nice Attack
A real concerns is it even possible for law enforcement here to fully prevent something like this from happening. After witnessing that truck plow into that crowd. ABC's senior justice correspondent Pierre Thomas is in New York city's time square tonight where they were stepped up security here at home in peer what are you learning. David the NYPD is stepping up security with armed tactical teams where this heavy pedestrian traffic. Like here in Times Square. And they say what they have large celebrations like on Independence Day in New Year's Eve. They put up all sorts of barriers including concrete was to protect the crowd from any vehicles but the fact remains there's only so much you can do. And there's risk when you have thousands of people walking up and down the streets likely are right now all around. David that is the true concern here here thing.
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