IAEA Director General Yukiya Amano. Photo: wiki commons.

Reuters – Iran has begun installing advanced centrifuges at its main uranium enrichment plant, the U.N. nuclear watchdog said on Thursday, a defiant step that will worry Western powers ahead of a resumption of talks with Tehran next week.

In a confidential report, the International Atomic Energy Agency (IAEA) said 180 so-called IR-2m centrifuges and empty centrifuge casings had been put in place at the facility near the central town of Natanz. They were not yet operating.

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