BBC security correspondent Frank Gardner answers Ukrainecast listeners’ questions about the likelihood of Moscow using nuclear weapons, as the Russian army continues to suffer losses on the battlefield.

And we hear from Vyacheslav Zadorenko who, together with Ukrainian forces, liberated his native village - and his mum - after seven months of Russian occupation.

And BBC Russian’s Olga Ivshina joins Victoria and Frank to discuss the future of Crimea and lasting divisions in Ukraine’s occupied areas.

Today’s episode is presented by Victoria Derbyshire and Frank Gardner.

The series producer is Estelle Doyle. The producers are Ivana Davidovic, Arsenii Sokolov and Luke Radcliff. The technical producer, Emma Crowe. The assistant editor, Alison Gee. And the editor is Jonathan Aspinwall. Email [email protected] with your questions and comments. You can also send us a message or voice note via WhatsApp, Signal or Telegram to +44 330 1239480.