Ukrainians, from Kyiv to the UK, answer calls to defend their country. The capital has come under attack, but the residents and their president remain defiant, and Russian forces have so far failed to break through their resistance.
Maxim Karaush was at home with family when their apartment building in Kyiv was hit by a missile. He tells Victoria and Gabriel why, after his wife and son were injured and his home destroyed, he asked to speak to us.
We aim to explain a fast-moving conflict and answer your questions about the war. Vitaly is with us again too, and he's been following a group of Ukrainian men in England as they prepare to return to fight for their homeland.
This episode of Ukrainecast was made by Estelle Doyle with Daniel Wittenberg and Phil Marzouk. The editor is Jonathan Aspinwall.
