Top Putin crony warns of ‘catastrophic nuclear war’ as ex-president reveals when Russia would unleash weapons

VLADIMIR Putin’s favourite nuclear loudmouth has warned Russia could unleash its doomsday arsenal if the Kremlin believes the country’s survival is at stake. Dmitry Medvedev said nukes would be used if it “came to the fate of the country”, in a chilling new threat aired on pro-Kremlin TV. “Nuclear weapons are extraordinary and exceptionally dangerous…