The UN nuclear watchdog says its two-day mission in Iran has failed to produce a definitive result in clarifying the purpose of Tehran's controversial nuclear programme. The IAEA adds that this is due to its team not being allowed to visit a key military site. Tehran - which insists its activities are purely peaceful - in turn says the agency's second visit in less than a month was for talks and not inspections. The Islamic state has also reiterated its readiness to return to the negotiating table. The failure of the IAEA mission might pave the way for more sanctions against Tehran - but previous experience shows that such penalties often end up hurting the countries imposing them, as RT's Ivor Bennet reports.
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