Iran has sent mixed messages after the UN's nuclear watchdog, the IAEA, agreed to refer it to the UN security council over the weekend.
The country has resumed full nuclear research activities and blocked access to international inspectors but also signalled readiness to go back to talks.
"We have not reached a dead end, and there have been more difficult situations," Iranian foreign ministry spokesman Hamed Reza-Asefi said on Sunday (5 February).
His statement came hours ...
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