Boris Johnson says Putin made 'big mistake' over Ukraine and predicts defeat

FORMER Prime Minister Boris Johnson claims Russian President Vladimir Putin has made a 'big mistake' and 'misunderstood Ukraine', as he predicts victory for his 'friend' Volodymyr Zelensky. The former PM spoke to Sky News about the conflict in Ukraine as he predicted Putin's downfall in Ukraine. Boris Johnson also refused to rule out the possibility of nuclear warfare as Putin becomes more and more frustrated by his war effort.