Iran is threatening to ban inspections if it is hit by new sanctions under a nearly expiring nuclear deal from 2015—a day after allowing inspectors limited access to its Bushehr facility.

Newsweek has contacted the International Atomic Energy Agency (IAEA) for comment.

Why It Matters

Tehran has remained undeterred by U.S. sanctions, attacks on its nuclear facilities , or the "snapback" mechanism that European countries are preparing to trigger.

The country has enriched uranium to high levels—believed sufficient to build a nuclear bomb—conducted nuclear activityu outside IAEA oversight, and threatened to withdraw from the Non-Proliferation Treaty, all while insisting its nuclear program is peaceful.

What To Know

If the E3 group of Britain, France and Germany triggers the snapback

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