<h1>Iran Escalates Uranium Enrichment to Near Weapons-Grade Levels, Stockpiling 408.6 Kg of 60% Enriched Material</h1> A UN nuclear watchdog report reveals Iran has significantly increased its uranium enrichment to near weapons-grade levels, stockpiling 408.6 kilograms of 60% enriched uranium as of May 17. The International Atomic Energy Agency expressed serious concern, noting Iran is the only non-nuclear state producing such material. The report highlights Iran's insufficient cooperation with investigations into undeclared nuclear sites and potential past military nuclear activities, raising international tensions and potential for sanctions.