Vladimir Putin will launch nuclear missiles on Ukraine, US or the UK "if he feels like it" amid growing fears of a worldwide conflict, according to an expert. Putin has relaxed the threshold for Russia’s use of its nuclear weapons, a move that follows Joe Biden ’s decision to let Ukraine strike targets inside Russian territory with US-supplied longer-range missiles. The document, called the "Fundamentals of State Police in the Sphere of Nuclear Deterrence", says: "Nuclear weapons (NW) are an