https://apnews.com/article/iran-nuclear-natanz-construction-8b83eb551d3509e2a0661da9f9332773

DUBAI, United Arab Emirates (AP) — The head of Iran's nuclear program insisted Wednesday that his government would cooperate with international inspectors on any “new activities.” His statement followed an exclusive Associated Press report about Tehran's new underground system near a nuclear enrichment facility.

The AP outlined this week how deep inside a mountain, the new tunnels near the Natanz facility are likely beyond the range of a last-ditch U.S. weapon designed to destroy such sites.