NYPD officers check bags during the morning commute at Grand Central Terminal Friday. Security is being tightened in New York and Washington, DC, following the detection of a possible terror threat tied to the tenth anniversary of the 9/11 terror attacks.
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NYPD officers stop and check vehicles and their drivers near the World Trade Center Friday.
REUTERS
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An NYPD police officer stands guard near the New York Stock Exchange Friday.
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An Amtrack K-9 police officer checks commuter bags at Pennsylvania Station Friday. The city is deploying additional resources and taking other security steps in response to a potential terror threat.
AP
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Police keep watch at a check point near the World Trade Center on Friday.
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An Amtrack police officer stands guard at Penn Station Friday.
AP
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An NYPD officer runs a checkpoint at the entrance to the Brooklyn Bridge Friday. It was reported that al Qaeda boss Ayman al-Zawahiri personally ordered the Sept. 11 anniversary plot.
EPA
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Members of the public react as they walk past a New York Police Department Hercules team member on patrol near Penn Station in New York.
REUTERS
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Members of the public react as they walk past a New York Police Department Hercules team member on patrol near Columbus Circle in New York. The NYPD Hercules teams patrol through New York making multiple appearances around the city each day at locations that are decided either in response to specific intelligence or simply to provide a show of force at high-profile sites.
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A woman looks back over her shoulder at members of the New York Police Department Hercules team on patrol near Herald Square in New York. The police department has worked since 9/11 on a long-term project to permanently increase vigilance in Lower Manhattan and Midtown, home to prominent financial institutions and national landmarks.
REUTERS
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New York Police Department detective Steve Hayden explains urban assault tactics to a group of Organized Crime Control Bureau officers at a training facility in New York. The NYPD has been working to train more officers in urban assault tactics since attacks that took place in Mumbai in 2008.
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New York Police Department Emergency Service Unit officers practice urban assault tactics during a training session in New York.
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New York Police Department Emergency Service Unit officers practice urban assault tactics during a training session in Manhattan.
REUTERS
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A New York Police Department officer looks down on the U.S. Open Tennis tournament from a helicopter while on patrol above New York. The police use helicopters both in response to situations on the ground as well as to detect radiation changes in the city from the air.
REUTERS
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A New York Police Department Tactical Radiologic Acquisition and Characterization System (TRACS) boat escorts the Staten Island Ferry through New York Harbor. The TRACS boat contains GPS and radioactivity detection software that enables the NYPD to monitor for unusual radioactive activity in the water ways around New York City.
REUTERS
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A New York Police Department patrol boat passes the Brooklyn Bridge as it patrols New York Harbor. The TRACS boat contains GPS and radioactivity detection software that enables the NYPD to monitor for unusual radioactive activity in the water ways around New York City.
REUTERS
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New York Police Department officers perform a random bag check at an entrance to the subway system in New York. The NYPD has worked since 9/11 on a long-term project to permanently increase vigilance in Lower Manhattan and Midtown, home to prominent financial institutions and national landmarks.
REUTERS
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Members of the public react as they walk past a New York Police Department Hercules team member on patrol near Times Square.
REUTERS
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A New York Police Department officer with a heavily armed Transit Operation Response Canine Heavy Weapons Unit stands with his dog at an entrance to the subway system in New York.
REUTERS
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New York Police Department officer Sergeant Vito Mastrandrea signals others officers during a “Transit Order Maintenance Sweep” of the subway system in New York.
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A New York Police Department officer with a heavily armed Transit Operation Response Canine Heavy weapons unit stands at an entrance to the subway system in New York.
REUTERS
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New York Police Department officers wait to inspect a train during a “Transit Order Maintenance Sweep” at the Times Square 42nd Street station in Midtown.
REUTERS
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A New York Police Department helicopter flies over Manhattan while on patrol above New York. The police use helicopters both in response to situations on the ground as well as to detect radiation changes in the city from the air.
REUTERS
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New York Police Department Inspector, James Kehoe, addresses NYPD officers before a Critical Response Vehicle deployment in New York.
REUTERS
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New York Police Department Inspector James Kehoe stands in the street and directs a “Critical Vehicle Response” deployment in New York.
REUTERS
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New York Police Department Commissioner Ray Kelly (C) takes part in his morning intelligence briefing with the Deputy Commissioner for Counter-terrorism Richard Daddario (R) and Deputy Commissioner of Intelligence David Cohen (L) inside the Executive Command Center at the NYPD headquarters in New York.
REUTERS
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New York Police Department Commissioner Ray Kelly (R) takes part in his morning intelligence briefing with the Deputy Commissioner for Counterterrorism Richard Daddario (C) and Deputy Commissioner of Intelligence David Cohen (L) inside of the Executive Command Center at NYPD headquarters in New York.
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New York Police Department Commissioner Ray Kelly (L) takes part in his morning intelligence briefing with the Deputy Commissioner of Public Information, Paul Browne, and Deputy Commissioner of Intelligence, David Cohen (R) inside of the Executive Command Center at NYPD headquarters in New York.
REUTERS
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A New York Police Department officer watches video feeds in the Lower Manhattan Security Initiative facility in New York.
REUTERS
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New York Police Department camera feeds are displayed on a screen inside of the Executive Command Center at NYPD headquarters in New York.
REUTERS
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A New York Police Department officer watches video feeds in the Lower Manhattan Security Initiative facility in New York.
REUTERS
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A New York Police Department helicopter flies near the Statue of Liberty while on patrol above New York. The police use helicopters both in response to situations on the ground as well as to detect radiation changes in the city from the air. The NYPD has worked since 9/11 on a long-term project to permanently increase vigilance in Lower Manhattan and Midtown, home to prominent financial institutions and national landmarks.
REUTERS
