A Russian military captain has demanded Vladimir Putin unleash the country's nuclear-capable hypersonic missile to level Europe, potentially sparking World War III. The call comes in the wake of US President Donald Trump 's 50-day ultimatum for Russia to stop its war against Ukraine or face 'very severe' sanctions.

Kremlin spokesman Dmitry Peskov’s recent reaffirmation of Russia’s nuclear doctrine is a thinly veiled warning to the United States, prompted by President Trump’s new, more aggressive Ukraine policy.

Dmitry Medvedev, the chairman of Russia’s Security Council, called on Moscow to be ready to strike the West if it escalates the war in Ukraine — just days after President Trump vowed to ramp

New images assessed by Business Insider show new roadworks, buildings, and modifications, with some sites undergoing rapid expansion.

The past two months have witnessed a remarkable spike in warfare involving nuclear powers. From May 7 to May 10, India and Pakistan exchanged artillery fire, bombs, cruise missiles, and drones in their most intense round of combat since 1999.

Japan is facing its most severe security environment since World War II as three potential adversaries in East Asia – China, Russia and North Korea – ramp up military activities in the region, the country’s defense minister said Tuesday.

Russia has been upgrading and modernizing several nuclear bases for its European and Pacific forces. Business Insider obtained new satellite images that show the major construction at the sites.

Former Russian President Dmitry Medvedev said on Thursday that Russia had no plans to attack NATO or Europe but, if the West escalated the Ukraine war any further, then Moscow should respond and, if necessary,

Vladimir Solovyov says Russia should 'go down the path' of escalation in response to Donald Trump's pledge to send Patriot missiles to Ukraine.