Recep Tayyip Erdogan expresses hope Eid will be auspicious for "our country, our nation, entire humanity".

Ryabkov's comments came in the same week that Ukraine stunned Moscow by launching drone strikes on air bases deep inside Russia that house the heavy bomber planes that form part of its nuclear deterrent.

Pilgrims perform the last major ritual of the hajj -- the "stoning of the devil" -- on Friday, as Muslims around the globe celebrate the beginning of the Eid al-Adha holiday.