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Fresh push for Iran nuclear deal

20 November 2013 Last updated at 06:07 GMT

US President Barack Obama has urged US senators to hold off from proposing more sanctions against Iran to allow time for world powers to complete a deal on Iran's nuclear programme.

His comments came as envoys from the P5+1 group of nations gathered in Geneva for a new round of negotiations with Iran.

The BBC's Kim Ghattas reports on what the discussions might achieve.