The call between the two leaders was mutually agreed to
U.S. officials described those talks as "tough" and are still debating how to react if Xi gives Putin military or economic aid.
Prince Mohammed has refused to speak with Biden in recent weeks over efforts to subdue spiking oil prices
Moscow describes its actions in Ukraine as a "special operation" to disarm its neighbour and unseat leaders it calls neo-Nazis. Ukraine and its Western allies call this a baseless pretext for an invasion to conquer a country of 44 million people.
Kremlin says it marks the beginning of 'coordination' with China on certain matters related to Ukraine