President Joe Biden said on Monday the threat of Russian President Vladimir Putin using tactical nuclear weapons is "real", days after denouncing Russia's deployment of such weapons in Belarus. On Saturday, Biden called Putin's announcement that Russia had deployed its first tactical nuclear weapons to Belarus "absolutely irresponsible".

President Joe Biden said on Monday the threat of Russian President Vladimir Putin using tactical nuclear weapons is “real”, days after denouncing Russia’s deployment of such weapons in Belarus. On Saturday, Biden called Putin’s announcement that Russia had deployed its first tactical nuclear weapons to Belarus “absolutely irresponsible”.