Reported Anadolu.

It is noted that the leaders, in particular, agreed to continue close cooperation in the framework of the Astana process to resolve the Syrian crisis.

Earlier it was reported that Putin discussed with Erdogan the implementation of the contract for the supply of Russian anti-aircraft missile systems S-400 to Turkey.

Expert Edward Lozansky commented on the possibility of the United States imposing sanctions against a number of countries because of the purchase of the C-400.