Russia-Ukraine war latest news: US condemns Putin’s nuclear deterrence order; rouble crashes as markets open – live updates

Vladimir Putin said nuclear move came after aggressive statements by Nato countries; satellite images show ground forces heading to capital; Ukrainian president says two sides to meet on Belarus border

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• How Ukrainian defiance has derailed Putin's plans

Ukrainians are waking for the fourth day since Russia invaded and words of defiance are dominating social media this morning.

It's another morning in Ukraine and Russia still can't advance in Kyiv," Illia Ponomarenko, defence reporter at the Kyiv Independent writes.