What Is the New Chapter in Ukraine's History?

Moscow has blamed Russian soldiers’ for a deadly attack that killed at least 89 of them in eastern Ukraine. It said their mobile phone use enabled Ukrainian forces to work out their location.

Olga Ivshina from the BBC’s Russian service brings us up to date on the deadliest attack from a single Ukrainian strike since the war began.

Documentary maker Olly Lambert spent two months embedded with Ukrainian volunteer special forces as they pushed to retake Kherson. They shared what motivated them and what it was like to swap a normal life for the front line.

And author and historian Olesya Khromeychuk talks about her brother’s death and the role of culture in the war.

Today’s episode is presented by Lucy Hockings and Vitaly Shevchenko. The producers were Clare Williamson and Luke Radcliff. The technical producer was Emma Crowe. The series producer is Fiona Leach. The assistant editor is Alison Gee and the editor is Sam Bonham.

Email Ukrainecast@bbc.co.uk with your questions and comments. You can also send us a message or voice note via WhatsApp, Signal or Telegram to +44 330 1239480