Russia Attack On Ukraine Possible In "Next Several Days": Biden

Joe Biden said an attack was possible in "next several days," adding that he had no plans to call President Vladimir Putin as fears grew of a Russian invasion of its pro-Western neighbor.

US President Joe Biden on Thursday said the threat of a Russian invasion of Ukraine was "very high" and could take place within days, despite Moscow's claim to be pulling troops from the border.

The threat is "very high, because they have not moved any of their troops out. They've moved more troops in," Biden told reporters at the White House. "We have reason to believe they're engaged in a false flag operation to have an excuse to go in."

"Every indication we have is that they're prepared to go into Ukraine, attack Ukraine," he said. "My sense is it will happen in the next several days."

Biden said he had not yet read a new, written response from Russian President Vladimir Putin to US proposals for a diplomatic way out of the impasse.