On Tuesday, several Port Authority workers joined Nadareski on the lower level of the George Washington Bridge near the New York side, 189 feet above the Hudson.

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Agents launched the raids after police stopped Zazi on the George Washington Bridge during a recent visit to New York, raising concerns that he would figure out he was under surveillance, the former official told CNN.

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Agents launched the raids after police stopped Zazi on the George Washington Bridge during a recent visit to New York City, raising concerns that he would figure out he was under surveillance, the former official told CNN.

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On Saturday morning, police officers stopped and searched for a third day box trucks as they approached the George Washington Bridge, which links New Jersey with New York, as well as the Queens-Midtown Tunnel, the Holland Tunnel and the Verrazano-Narrows Bridge, connecting the boroughs of Staten Island and Brooklyn.

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It is the major 3 mile long bridge connecting the west side of the Hudson River and Rockland County New York with the east side in Westchester County, 20 miles upriver from the George Washington Bridge.

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