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

Dmitry Medvedev has traveled a long way from his time as Russian president, when he once stood beside then-US President ...

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

President Donald Trump has ordered the repositioning of two U.S. nuclear submarines. Friday's decision comes after what he ...

Former Russian president Dmitry Medvedev, whose comments prompted US President Donald Trump to move two nuclear submarines, ...

Trump also rebuked Medvedev in July, accusing him of throwing around the "N (nuclear) word" after the Russian official ...

The Kremlin tried Monday to defuse tensions caused by remarks from one of Russia’s top officials that led President Trump to ...

President Trump issued a warning early Thursday morning to former Russian President and Prime Minister Dmitry Medvedev after ...

Kremlin spokesperson Dmitry Peskov warned against "nuclear rhetoric" after U.S. President Donald Trump ordered the deployment ...

This is a breaking news story and is being constantly updated by our reporters as the breaking news story develops ...

The Kremlin has tried to calm tensions in a feud between Trump and Medvedev that spiraled into nuclear threats.

After an online spar with Russia's deputy chairman of Russia's Security Council and former president, Dmitri Medvedev, ...