The Iran nuclear program's Arak heavy water reactor. Photo: Nanking2012/Wikimedia Commons.

Reuters – Iran will convert more of its higher-grade enriched uranium into reactor fuel under an extended nuclear deal with world powers, making the material less suitable for building atomic bombs, a diplomatic source and a U.S. think-tank said on Monday.

Iran and the United States, France, Germany, Britain, China, and Russia failed to meet a Nov. 24 deadline for resolving their dispute over Tehran’s nuclear program. They gave themselves until the end of June for further negotiations.

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