Ukrainian president says US ‘too often’ asks Kyiv rather than Moscow for concessions Close Zelensky says 'Putin is a slave to war' On The Ground newsletter: Get a weekly dispatch from our international correspondents Get a weekly dispatch from our international correspondents Get a weekly international news dispatch Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Volodymyr Zelensky denounced Vladimir Putin as a “slave to