Trump orders nuclear submarines repositioned after Russian tensions escalate, while implementing new tariffs on Canada and other countries this week.

President Donald Trump issued a rare threat of nuclear escalation on Friday, saying he had ordered two nuclear submarines to be strategically positioned near Russia in response to what he said were aggressive remarks by Dmitry Medvedev,

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,