The Kremlin has urged Donald Trump to be extremely “careful” after the American president said he’d ordered two nuclear submarines to be repositioned in response to statements made by the former Russian president,

The first official statement from the Kremlin about Trump’s move seemed to distance Russian President Vladimir Putin from Dmitry Medvedev’s inflammatory comments.

Tensions between the U.S. and Russia are reaching a boiling point as US President Donald Trump claims he’s ordered the deployment of nuclear submarines in response to Russian threats. The Kremlin has fired back,