Russia-Ukraine war latest: Zelenskiy calls on west for planes and tanks; Biden says 'butcher' Putin cannot remain in power - live

Ukrainian president tells Europe its own security is at stake while Joe Biden pledges 'further defence cooperation' with Ukraine Full report: Biden offers further military support to Ukraine Russia reasserts right to use nuclear weapons in Ukraine Russian soldiers release town's mayor and agree to leave after protests Analysis: Russia scales back its ambitions but war far from over Tell us: how have you been affected by the situation in Ukraine? Russian forces appear to be concentrating their ef...