National Security Adviser Jake Sullivan urged American citizens to leave Ukraine within the next 24-48 hours due to a possible threat of an invasion.

RELATED: Ukraine-Russia tensions: Why concerns of a Russian invasion are highhttps://bit.ly/3sxKMpj

A Russian military invasion of Ukraine could happen before the end of the Beijing Winter Olympics, prompting a stark warning from the White House that Americans still in Ukraine should leave in the next 24 to 48 hours.

U.S. National Security Adviser Jake Sullivan told reporters Friday while U.S. officials have not determined whether Russian President Vladimir Putin has made a decision to launch an invasion, there is a “credible prospect” that a military action could occur before Feb. 20, when the Olympics conclude.

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