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Iran conflict snarls air travel: Americans urged to exercise caution

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People waiting at night outside a building with glass windows, sitting on benches with luggage carts; one woman is wrapped in a green blanket, others appear tired or resting.

Stranded passengers wait at the Velana International Airport in Malé, the capital of the Maldives, on Sunday after the cancelation of several flights destined for the Middle East. Photo: Mohamed Afrah/AFP via Getty Images

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