Back to today’s briefing

Story perspectives

IAEA: Half of Iran's Enriched Uranium Hidden in Tunnels

3/10/2026

50 4 Full Breakdown

Summary

Story summary

On March 9, 2026, Rafael Grossi, head of the International Atomic Energy Agency (IAEA), said about half of Iran's 60% enriched uranium is stored in Isfahan's tunnel complex.
The Isfahan tunnel complex remains largely intact after attacks by Israel and the U.S. in June.
Iran had about 440.9 kg of 60% uranium before the attacks, enough for ten weapons if enriched, and had not updated the IAEA since June.

1 of 1

Story summary

On March 9, 2026, Rafael Grossi, head of the International Atomic Energy Agency (IAEA), said about half of Iran's 60% enriched uranium is stored in Isfahan's tunnel complex.
The Isfahan tunnel complex remains largely intact after attacks by Israel and the U.S. in June.
Iran had about 440.9 kg of 60% uranium before the attacks, enough for ten weapons if enriched, and had not updated the IAEA since June.