WASHINGTON - U.S. President Joe Biden met virtually Monday afternoon with key European leaders about the ongoing threat of a Russian invasion of Ukraine as he weighs sending several thousand U.S. troops to the Baltics and Eastern Europe.
'I had a very, very, very good meeting - total unanimity with all the European leaders,' Biden told reporters after hosting a secure video call with allied leaders from Europe, the European Union and NATO.
British Prime Minister Boris Johnson's office released a statement that supported Biden's summation, saying, 'The leaders agreed on the importance of international unity in the face of growing Russian hostility.'
Biden has not decided whether to move U.S. military equipment and personnel closer to Russia. But White House press secretary Jen Psaki said in advance of the meeting with the European officials that the U.S. has 'always said we'd support allies on the eastern flank' abutting Russia.
U.S. Defense Secretary Lloyd Austin placed 8,500 U.S. military personnel on 'high alert' of being dispatched to Eastern Europe, where most of them could be activated as part of a NATO response force if Russia invades Ukraine.
FILE - U.S. Secretary of Defense Lloyd Austin pauses while speaking during a media briefing at the Pentagon, in Arlington, Virginia, Nov. 17, 2021.
'It's very clear the Russians have no intention right now of de-escalating,' Pentagon spokesperson John Kirby told reporters. 'What this is about, though, is reassurance to our NATO allies.'
Kremlin spokesperson Dmitry Peskov accused the United States and its NATO allies of escalating tensions.
The White House released a statement after the meeting that said, 'The leaders also discussed their joint efforts to deter further Russian aggression against Ukraine, including preparations to impose massive consequences and severe economic costs on Russia for such actions as well as to reinforce security on NATO's eastern flank.'
WATCH: US preps for possible deployment to Europe
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Biden has ruled out sending troops to Ukraine if Russian invades the onetime Soviet republic but vowed to impose quick and severe economic sanctions on Moscow.
Kirby said the U.S. military is 'keenly focused' on the Russian military's 127,000-troop buildup along the Ukraine border and in Belarus. He said the U.S. was 'taking steps to heighten readiness over Ukraine,' including for a NATO response force if the Western military forces are activated.
FILE - Ukrainian soldiers stand on a check-point close to the line of separation from pro-Russian rebels, Mariupol, Donetsk region, Jan. 21, 2022.
U.S. and Russian officials have had four face-to-face meetings in the past two weeks over Western concerns about the threat of a Russian invasion of Ukraine and Russian fears of NATO operations in Eastern Europe, and Biden has also talked directly with European allies.
Russia insists the troops are on the border for its own protection but is demanding NATO provide guarantees it will stop its eastward expansion, beginning with not allowing Ukraine to join the alliance, a move Moscow perceives as a threat. NATO has repeatedly rejected that request, saying Russia has no veto over NATO membership for other countries.
The U.S. and Russia are planning to exchange written statements this week about their demands of each other.
Biden was in the highly secure Situation Room for his Monday call. He met with European Commission President Ursula von der Leyen, European Council President Charles Michel, French President Emmanuel Macron, German Chancellor Olaf Scholz, Italian Prime Minister Mario Draghi, NATO Secretary-General Jens Stoltenberg, Polish President Andrzej Duda and British Prime Minister Boris Johnson.
Earlier Monday, NATO said its members were sending more ships and fighter jets to Eastern Europe in response to Russia's military buildup.
A NATO statement said additional troops and equipment could be sent from several countries, including Denmark, Spain, France, the Netherlands and the United States.
NATO Secretary General Jens Stoltenberg speaks during a news conference with German Chancellor Olaf Scholz after their talks at the Chancellery in Berlin, Germany, Jan. 18, 2022.
'NATO will continue to take all necessary measures to protect and defend all allies, including by reinforcing the eastern part of the alliance,' Stoltenberg said. 'We will always respond to any deterioration of our security environment, including through strengthening our collective defense.'
The United States and Britain also announced orders for their embassy staff and family members in Kyiv to leave Ukraine, citing the potential for Russian military action.
The State Department officials who briefed reporters declined to give any estimates of the number of Americans working at the embassy in Kyiv or living in Ukraine.
Ukraine's Foreign Ministry noted the U.S. move but expressed displeasure.
'While we respect right of foreign nations to ensure safety & security of their diplomatic missions, we believe such a step to be a premature one & an instance of excessive caution,' spokesperson Oleg Nikolenko tweeted Monday.
High Representative of the European Union for Foreign Affairs and Security Policy Josep Borrell speaks during a press conference at the EU Delegation on Sept. 20, 2021 in New York City.
European Union foreign policy chief Josep Borrell said Monday that the EU was not planning any similar withdrawals. He spoke to reporters as he arrived for a meeting of EU foreign ministers, which U.S. Secretary of State Antony Blinken was scheduled to join virtually.
'We are not going to do the same thing, because we don't know any specific reasons. But Secretary Blinken will inform us,' Borrell said.
VOA White House correspondent Anita Powell contributed to this report. Some information also came from The Associated Press, Agence France-Presse and Reuters.