After months of tense negotiations Ukraine and the US have signed a much-anticipated natural resources deal - and YOU have lots of questions about it.
Why is Ukraine going ahead with it? Can it still join NATO? What could the US offer Russia?
Lucy is joined by Ukraine correspondent James Waterhouse, BBC Verify’s Olga Robinson and diplomatic correspondent James Landale to answer these and more.
Today’s episode is presented by Lucy Hockings. The producers were Laurie Kalus and Ben Carter. The technical producer was Jack Graysmark. The series producer is Tim Walklate. The senior news 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
You can join the Ukrainecast discussion on Newscast’s Discord server here: tinyurl.com/ukrainecastdiscord