Trump orders nuclear submarines deployed after Medvedev's threats * Zelensky urges direct leader-level peace talks as Putin blames 'excessive expectations' * As death toll reaches 31, Russia's attack on Kyiv becomes most deadly on capital this year * 20,

P resident Donald Trump said on Friday he's ordered two nuclear submarines to move in the "appropriate regions" in response to what he called "highly provocative statements" from the deputy chair of Russia's security council, Dmitry Medvedev.