UN Says It Has Lost Track of Iran’s Near-Bomb-Grade Uranium

The United Nations nuclear watchdog said the location of Iran’s near-bomb-grade stockpile of enriched uranium cannot currently be verified, as Israel’s ongoing military assault is preventing inspectors from doing their work.

Iran’s 409 kilograms (902 pounds) of highly-enriched uranium — enough to produce 10 nuclear warheads — should theoretically be secured under an International Atomic Energy Agency seal at an underground facility at Isfahan. But IAEA Director General Rafael Mariano Grossi said Wednesday its whereabouts are now unclear, given Tehran warned him the stockpile could be moved in the event of an Israeli attack.

“I’m not so sure,” Grossi told ...