MOSCOW (Sputnik) — Turkey has stepped up security following Tuesday's coordinated terrorist attack at Istanbul’s Ataturk International Airport that left at least 42 people dead and more than 240 injured.
"The reason and the duration of the ban have not been named. I was only issued a paper where 'Entry Ban' was written. It was not clarified if [the ban] was a result of my professional activities or not," Vinogradov said.
Turkish Prime Minister Binali Yildirim said that the initial indications suggest that Daesh, outlawed in the United States and Russia, was responsible for the attack.