GENEVA (AP) — U.S. Secretary of State John Kerry and E.U. foreign policy chief Catherine Ashton are meeting in Geneva ahead of more nuclear negotiations with Iran.

They hope to narrow gaps in search of a deal that would offer Iran sanctions relief in exchange for proving its atomic ambitions are peaceful.

A senior U.S. official says Kerry and Ashton are meeting separately at the luxury Geneva hotel where they are both staying. Later Saturday, Iranian Foreign Minister Javad Zarif is expected to join them. There was no immediate indication of how long the three-way meeting would last.

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