Reactor building of the Bushehr nuclear power plant
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Iran nuclear deal to enter into force on 20 January

13 January 2014 Last updated at 03:59 GMT

An interim agreement to freeze Iran's nuclear programme will enter into force on 20 January, it has been announced.

The deal, agreed in talks with world powers in November, envisages easing of some international sanctions on Tehran.

Beth McLeod reports.

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