Kyiv urges west to spell out how it would respond to Russian nuclear strike Ukraine asks world leaders to say ‘very firmly’ that nuclear strike would have catastrophic consequences for Russia
Russian officials play down Putin’s nuclear threat
Two Russian officials ease fears of nuclear conflict after the president’s thinly veiled warning to the West.
Russia will use nuclear weapons to ‘defend territories’, Medvedev warns
‘Russia is ready to defend territories added to it with all means, including strategic nuclear weapons,’ says former president