Biden believes Russian troops could cross border
The US believes Russia is behind so-called "false flag attacks" to "discredit the Ukrainians", and give Moscow reason to invade.
Moscow's claims about troops withdrawing from the border are being disputed by NATO and other western nations.
The latest diplomatic attempt to avoid that will see the American President speak to other world leaders, later.
Joe Biden believes troops could cross the border within days:
US Secretary of State Antony Blinken issued this warning to the UN Security Council:
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