The US insists on excluding Kiev being in any way involved in the Crocus City Hall massacre. The White House has lent a hand to Russia in the fight against jihadist terrorism, a "common enemy" The Russian ambassador in Washington has flatly denied having received a communication from the Biden administration about a possible attack.

"We have not received any notification or message in advance," Anatoly Antonov told Russian news agency Ria Novosti, adding that he had no contact with either the White House or the State Department on this issue.