Ankara has transferred information about the terrorists at "Crocus City Hall" to Moscow. As "Hurriet" informs, referring to its sources, two visited Turkey, but there was no warning against them from Moscow.
According to the newspaper, two of the four who participated in the attack had previously traveled on the Russian-Turkish-Russian route and arrived in Turkey from Moscow. Moreover, they do not have any residence registration or other documents in the territory of Turkey.