STOCKHOLM—The global nuclear arsenal is expected to grow in the coming years for the first time since the Cold War while the risk of such weapons being used is the greatest in decades, a leading conflict and armaments think-tank said on Monday.
Russia’s invasion of Ukraine and Western support for Kyiv has heightened tensions among the world’s nine nuclear-armed states, the Stockholm International Peace Research Institute (SIPRI) think-tank said in a new set of research.
