Vladimir Putin's security chief issued a chilling warning about Russia's 'dead hand' nuclear capability as he sparred with Donald Trump in an increasingly tense war of words. Dmitry Medvedev, who ...

North Korea's updated constitution mandates an automatic nuclear strike if Kim Jong Un is assassinated, aiming to deter ...

President Donald Trump hammered back at former Russian President Dmitry Medvedev's warnings about war with the United States, telling the deputy chairman of Russia's Security Council to "watch his ...

North Korea has revised its constitution to mandate an automatic nuclear strike if leader Kim Jong-un is assassinated or ...