Ukraine's leader intensifies pressure on global businesses to increase sanctions against Russia

Ukraine's leader is intensifying pressure on global businesses to increase sanctions against Russia, pushing for urgent action to defend freedom.

Ukrainian President Volodymyr Zelenskyy displayed on a screen as he addresses the audience from Kyiv on a screen during the World Economic Forum in Davos Source: AP

And a Russian diplomat to the United Nations has quit over the fighting, issuing a letter condemning his colleagues over the aggressive war.