Russia-Ukraine war: ‘It would be naive to wait for peace from Russia’ says Zelenskiy – as it happened

Zelenskiy calls for strengthening of sanctions against Russia in address to US Congress

If you're just joining us, we're waiting to hear from Ukrainian president Volodymyr Zelenskiy, in his first foreign visit since Russia's devastating war on Ukraine started in March.

My name is Helen Sullivan, and I'll be bringing you the latest. You can find me on Twitter here - ask a question and I'll do my best to answer it.