U.S. officials investigate a possible al-Qaeda plot to detonate a bomb in Washington or New York City around Sunday’s 10th anniversary of the Sept. 11 terrorist attacks.
Sept. 9, 2011
Police officers check bags during the morning commute at Grand Central Terminal in New York City. Security is being tightened in New York and Washington, D.C., following the detection of a possible terror threat tied to the 10th anniversary of the 9/11 terror attacks.
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