Technical talks between Iran and six world powers on the implementation of an interim deal reached in November on the Islamic Republic's nuclear issues are "slowly" making progress, Iranian Deputy Foreign Minister Abbas Araqchi said Saturday.

The senior Iranian negotiator told state-run IRNA news agency that the expert-level talks, which resumed on Thursday in Geneva, were set to continue on Sunday for a fourth day.

"The talks that extended to a third day are making progress but slowly," AFP quoted him as saying.

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