Iran says 4,000 atomic centrifuges working: report

"There are currently close to 4,000 centrifuges active at Natanz enrichment facility. ... Another 3,000 centrifuges are being installed," Deputy Foreign Minister Alireza Sheikh Attar told state television, the official IRNA news agency reported.
World powers have offered Iran a package of trade, nuclear and other incentives to halt its sensitive nuclear work, but Tehran has repeatedly said it will not do so.

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