Iran has doubled the number of uranium- enrichment centrifuges it has in an underground bunker, the UN nuclear watchdog said on Thursday, showing Tehran's defiance toward Western pressure to stop its atomic work and the threat of an attack.
The International Atomic Energy Agency also said in a report that "extensive activities" – a reference to a suspected clean-up – at Iran's Parchin military complex would hamper its investigation of possible past nuclear weapons development there, if inspectors are ever granted access.
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