The U.S. decision to allow Ukraine to fire American weapons deeper into Russia has not increased the risk of a nuclear attack, which is unlikely, despite Russian President Vladimir Putin's increasingly bellicose statements,

Russia has launched its largest drone offensive on Ukraine since the conflict began, deploying at least 188 drones that struck residential areas in Kyiv and caused power outages across the country. Moscow continues to intensify its efforts on Ukraine’s eastern front while promising "retaliation" after Ukrainian forces once again used U.

Russia's Dmitry Medvedev warned of nuclear war if the U.S transfers nuclear weapons to Ukraine: "The consequences are obvious."

Deploying British troops to Ukraine could be like a "declaration of war against Russia" and cause a "nuclear exchange", an expert has told the Daily Express UK.