What to know about the UN reimposing ‘snapback’ sanctions over Iran’s nuclear program World Sep 27, 2025 3:12 PM EDT

DUBAI, United Arab Emirates (AP) — United Nations sanctions on Iran over its nuclear program will be reimposed Sunday, putting Tehran under new pressure as tensions remain high in the wider Mideast over the Israel-Hamas war in Gaza.

At the U.N. General Assembly this week in New York, Iranian President Masoud Pezeshkian and Foreign Minister Abbas Araghchi tried a last-minute diplomatic push to stop the sanctions. However, Iran’s supreme leader Ayatollah Ali Khamenei boxed in their efforts by describing diplomacy with the United States as a “sheer dead end.”

Meanwhile, efforts by China and Russia to halt the sanctions failed Friday.

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