An unnamed Turkish official has confirmed the nationalities of the three men who carried out Tuesday’s deadly attack on Istanbul’s airport as Russian, Uzbek and Kyrgyz nationals, Turkish media and officials told various media outlets. Turkey believes Islamic State militants were behind the suicide gun and bomb attack killing 43 and wounding more than 230 people – many of them airport workers, BBC News reported Thursday. An unnamed Turkish official confirmed the nationalities of the attackers to Reuters news agency and they were also carried by the Dogan news agency and other Turkish media outlets. Some news agencies named one of the men as Osman Vadinov, said to have crossed into Turkey from...