Putin says stock of new missiles 'ready to be used' as Zelensky urges 'serious response'
Russia first used its experimental ballistic missile on Ukraine on Thursday, which Zelensky calls "a clear and severe escalation".
Politics latest: Minister declines to say if British weapons used in Russia; as assisted dying vote intervention defended
Work and Pensions Secretary Liz Kendall has declined to say if British weapons have been used by Ukraine deep inside Russia - ...