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,

Kyiv and Moscow have held three rounds of talks in Istanbul this year that yielded exchanges of prisoners and bodies.

Donald Trump slammed Dimitry Medvedev by branding him “the failed former President of Russia, who thinks he’s still President,”