Mevlut Cavusoglu and Kerry also discussed the latest developments in Syria, including the situation in Manbij and Aleppo, the sources said.
Turkey wants Pakistan, other 'friendly countries' to help against Gulen
Turkey blames the cleric, Fethullah Gulen, for the July 15 failed putsch and wants the United States to extradite him.
Gulen, who has lived in self-imposed exile in the United States since 1999, has denied the charge and condemned the coup.
Washington has said it would need to see clear evidence before it can take action on the extradition request.
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