He also called for immediate sanctions on Russia as well as 'defense and financial support' saying 'the world must force Russia into peace.' On Thursday on Twitter, Ukrainian President Volodymyr Zelenskyy called for 'an immediate end to Putin's war against the world' and said 'we are building an anti-Putin coalition' without elaborating further. There's little evidence of military aggression from Ukraine, and Russia's claims to the contrary are seen by many as a pretext for justifying an invasion.