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.

In a warning to Russia, President Donald Trump said Friday he's ordering the repositioning of two U.S. nuclear submarines “based on the highly provocative statements” of the country's former president,

"Words are very important, and can often lead to unintended consequences, I hope this will not be one of those instances," said Trump on Truth Social