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

US President Donald Trump says two nuclear submarines are being deployed in the "appropriate regions".

Donald Trump and former Russian President Dmitry Medvedev have traded taunts in recent days.

President Trump orders nuclear submarines near Russia in response to threats from former President Medvedev, escalating tensions.

The US president had traded taunts with the Russian politician over Trump’s deadline for Moscow to agree to a ceasefire in Ukraine.

The US president had traded taunts with the Russian politician over Trump’s deadline for Moscow to agree to a ceasefire in Ukraine.

Order suggests president might be ready to launch nuclear strike against Russia as tensions rise over Ukraine war

Dmitry Medvedev said President Trump is "playing the ultimatum game with Russia" in pressuring for an end to the war on Ukraine.

Trump announced that he had ordered the deployment of a pair of U.S. nuclear submarines angry exchanges with a top Russian official over his deadline to end Russia's war in…

US president makes order in response to threats from former Dmitry Medvedev, the former Russian president

The US president has exchanged barbs with Russian leader Dmitry Medvedev, who warned of ‘how dangerous’ Russia can be.

The President’s intention is no doubt to signify that he is not cowed by Medvedev, but this is simply business as usual

In a social media post, the president described the move as a deterrent prompted by threats by a former Russian leader. It is unclear if any submarines did actually change…

Nuove drammatiche punte di tensione tra Stati Uniti e Russia. Da Washington si fa ancora sentire il presidente americano Donald Trum...

US president claimed that Russian Security Council Dmitry Medvedev had made "extremely provocative statements"

Comments made by Russian Security Council Chairman Dmitry Medvedev on Thursday spurred President Donald Trump to reposition two U.S. nuclear submarines.

US President Donald Trump originally did not say where the submarines were deployed but tensions notched up another level as he admitted they were getting closer to Russia.

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’s announcement follows a war of words with former Russian president over social media.

Submarine deployment follows war of words on social media with former president Dmitry Medvedev

Donald Trump ordered the submarines, packed with nuclear warheads, towards Russian waters after an online spat with former Russian president Dmitry Medvedev.