The comments come as Trump's deadline for Russia to agree a ceasefire with Ukraine or face sanctions edges closer.

Russia said on Monday that everyone should be "very, very careful" about nuclear rhetoric, responding to a statement by U.S.

US President Donald Trump has said that US nuclear submarines are near Russian territory after earlier saying he would make ...

President Trump confirmed Sunday that nuclear submarines “are in the region” two days after saying the U.S. was positioning ...

Russia urged caution after Trump claimed he redeployed nuclear subs in response to provocative remarks by a senior Russian official.

US President Donald Trump said Friday he was ordering two US Navy nuclear submarines to “appropriate regions,” in response to ...

Kremlin spokesman Dmitry Peskov said Moscow did not view Mr Trump's statement as an escalation in nuclear tension.

P resident Donald Trump said on Friday he's ordered two nuclear submarines to move to the "appropriate regions" in response ...

Former Russian president Dmitry Medvedev has become embroiled in a tense back-and-forth on social media that prompted U.S.

After trading barbs online with former Russian leader Dmitri A. Medvedev, President Donald Trump has ordered nuclear ...

The U.S. president said that words ‘can often lead to unintended consequences.’ ...

Heightened tensions with Russia stem from President Trump's ultimatum to Moscow: make peace with Ukraine or brace for sanctions and secondary tariffs.