The US president said he's ordered two nuclear submarines to move closer to Russia, after a social media spat with Russia's ex-president.

Trump ordered two nuclear submarines to change course in response to social media comments from ormer Russian president Dmitri Medvedev

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.