SULAIMANIYAH (AFP) - Iraq's top Kurdish leaders are mediating between Turkey and Kurdistan Workers' Party (PKK) separatists with bases in northern Iraq to bring their conflict to an end, an official said. Iraq's President Jalal Talabani and Iraqi Kurdistan regional president Massud Barzani "are leading mediation efforts between the Turkish government and the PKK, to end the battles in the border area between Iran, Turkey and Kurdistan," said a spokesman for Talabani's Patriotic Union of Kurdistan. "The Turkish government expressed its desire to end the fighting during Massud Barzani's last visit to Turkey," said spokesman Azad Jundiany.