Putin ally makes thinly-veiled threat to bomb Rishi Sunak with 'cluster munitions' during PM's surprise Kyiv visit - and warns 'arrogant British' deploying troops in Ukraine would be a 'declaration of war' against Russia
Former Russian President Dmitry Medvedev, now deputy chairman of Russia's Security Council, made the comments in response to a visit by the British Prime Minister Rishi Sunak to Kyiv