baghdad semi-autonomous kurdistan regional government krg northern iraq welcome thursday call iraqi prime minister haider al-abadi talk resolve crisis trigger kurdish referendum independence last month abadi speak tuesday say consider sept. 25 referendum kurds vote overwhelmingly independence despite baghdad opposition thing past day iraqi army retake oil-producing kirkuk area kurdish peshmerga force order possible resolve issue military operations krg cabinet say statement meet kurdistan region capital erbil ask international community help side start dialogue solve outstanding issue base iraqi constitution statement say abadi ask krg cancel outcome referendum precondition negotiations begin statement make mention referendum baghdad retaliate series punitive measure include recapture kirkuk lie outside krg boundaries peshmerga hand since 2014. kurdistan region ask international help spur dialogue baghdad