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Passengers queue up outside a Transportation Security Administration checkpoint at Ronald Reagan National Airport May 27, 2016 in Arlington, Virginia.
Passengers queue up outside a Transportation Security Administration checkpoint at Ronald Reagan National Airport May 27, 2016 in Arlington, Virginia.

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    New security measures for US-bound flights

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New security measures for US-bound flights

Tighter security measures, including extra screening for all passengers, has taken effect for all international flights traveling to the US. CNN's Sara Ganim reports.

New security measures for US-bound flights

Tighter security measures, including extra screening for all passengers, has taken effect for all international flights traveling to the US. CNN's Sara Ganim reports.