Earlier this week, Whitehall figures stated the Government was unsure whether the Russian leader had decided on an invasion. However, yesterday sources revealed this conclusion has changed and many are certain an attack is imminent.
One source told the Times: “He’s going to do it, and it’s going to be horrendous.”
President Vladimir Putin may be orchestrating an attack on Ukraine shortly, and US President Joe Biden has also warned the risk is “very high”.
The 46th US President said that “every indication” showed Russia was “prepared to go into Ukraine”.
He added: “My sense is it will happen in the next several days.”
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At present, Russia has amassed an estimated 130,000 troops on the border, though the Kremlin continues to deny invasion plans.
More than a dozen nations have urged their citizens to leave Ukraine, with many world leaders attempting to resolve the issue through diplomacy.
But Mr Biden and Boris Johnson remain hopeful there could still be a “crucial window” for diplomacy and for Russia to step back from its threats towards Ukraine, according to a Downing Street statement.
A British Government spokesman said: “All the information we have suggests Russia could be planning an invasion of Ukraine at any moment without further warning.
“However, there is still opportunity for de-escalation, and for President Putin to step back and avoid a bloody and unnecessary war.”