Is Russia preparing to invade Ukraine?
2:16
(CNN) -
The virtual summit between the president of the United States, Joe Biden, and his Russian counterpart, Vladimir Putin, began this Tuesday minutes after 10, ET, as confirmed by a US official.
Biden is in the White House Situation Room for the meeting.
Russian state media RIA Novosti also reported that the meeting has started.
Putin is participating in the call from his residence in Sochi.
Tension mounts on the Ukraine-Russia border: here's what you need to know
The summit marks one of the most critical calls from the Biden presidency, as it receives stark warnings from the American intelligence community that Moscow is preparing to invade Ukraine next month.
News in development ...
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Joe BidenVladimir Putin