VIENNA, Nov 22 : Contentious nuclear talks between world powers and Tehran hit a new snag on Friday after Iran apparently again turned down US demands for concessions, leaving negotiations in limbo just three days before a deadline for a deal.
In hours of high drama reflecting the delicate stage of the talks, both US secretary of state John Kerry and Iranian foreign minister Mohammad Javad Zarif first made, then cancelled plans to walk away from the talks - at least temporarily - for additional consultations.      ?AP