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Iran 'starts curbing enrichment'

20 January 2014 Last updated at 10:07 GMT

The United Nations nuclear agency says Iran has begun implementing its part of a deal to suspend some of its nuclear programme in exchange for an easing of sanctions.

Iranian state Television said centrifuges used for enrichment were disconnected at the Nantaz plant, according to TV.

BBC Persian's Pooneh Ghoddoosi explains what it means.

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