Trump's nuclear saber-rattling could suggest he feels emboldened after ordering the bomb attacks against Iranian nuclear sites.

Former Russian president Dmitry Medvedev on Monday toned down threats of a nuclear escalation following a rebuke from US President Donald Trump. Medvedev, who is now serving as the deputy chairman of the Russian Security Council,

President Trump in a social media post on Monday criticized comments from former Russian president Dmitry Medvedev over the weekend after the U.S. launched an attack on Iran's nuclear sites. Medvedev,