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Passengers leave Istanbul Ataturk, Turkey's largest airport, after a suicide bomb attack in the early hours of June 29, 2016, Istanbul, Turkey. Three suicide bombers opened fire before blowing themselves up at the entrance to the main international airport in Istanbul, killing at least 28 people and wounding at least 60 people according to Istanbul governor Vasip Sahin.
Passengers leave Istanbul Ataturk, Turkey's largest airport, after a suicide bomb attack in the early hours of June 29, 2016, Istanbul, Turkey. Three suicide bombers opened fire before blowing themselves up at the entrance to the main international airport in Istanbul, killing at least 28 people and wounding at least 60 people according to Istanbul governor Vasip Sahin.

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    Airports ramp up security in wake of Istanbul attack

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Airports ramp up security in wake of Istanbul attack

Airports around the world are reviewing security best practices after an attack on a busy Istanbul airport killed dozens. CNN's Rene Marsh reports.

Airports ramp up security in wake of Istanbul attack

Airports around the world are reviewing security best practices after an attack on a busy Istanbul airport killed dozens. CNN's Rene Marsh reports.