ISTANBUL, TURKEY - JUNE 28: Turkish security officers and ambulances gather outside Turkey's largest airport, Istanbul Ataturk, after it was hit by a suicide bomb attack on June 28, 2016 in 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 Justice Minister Bekir Bozdagç. (Photo by Mehmet Ali Poyraz/Getty Images)
