baghdad/erbil iraq iraq kurdish leader massoud barzani vow tuesday press ahead referendum kurdish independence sept. 25 despite vote iraq parliament reject move early parliament baghdad authorize prime minister take measure preserve iraq unity kurdish lawmakers walk session vote issue statements reject decision western power fear plebiscite iraq semi-autonomous kurdish region include oil-rich city kirkuk could ignite conflict central government baghdad divert attention war islamic state militants iraq neighbor turkey iran syria also oppose referendum fear could fan separatism among ethnic kurdish populations referendum hold time ... dialogue baghdad resume referendum barzani president kurdistan regional government krg say statement rule party official website vote barzani tell gather kurds arabs turkmen kirkuk referendum natural right accord tweet aide hemin hawrami barzani also say kirkuk special status new independent kurdistan iraqi lawmakers worry referendum consolidate kurdish control several areas claim central government baghdad autonomous krg northern iraq referendum lack constitutional basis thus consider unconstitutional parliamentary resolution say without specify measure central government take stop kurdistan break away mohammed al-karbouli sunni muslim lawmaker say kurdish lawmakers walk tuesday session decision reject referendum pass majority senior kurdish official dismiss vote non-binding though iraqi lawmaker say would publish official gazette approval iraqi presidency krg say local councils dispute regions northern iraq decide whether join vote kirkuk ethnically mix city vote last month participate referendum move stoke tensions arab turkmen residents well baghdad kurdish peshmerga force take control kirkuk area areas claim baghdad kurds islamic state militants overrun third iraq 2014 baghdad local force disintegrate news conference tuesday iraqi prime minister haider al-abadi say kurds continue illegally export kirkuk oil call urgent talk call upon kurdish leadership come baghdad conclude dialogue abadi say kurdish delegation meet officials baghdad first round talk august concern referendum iraqi delegation expect visit kurdish capital erbil early september second round talk visit yet happen less two weeks vote kurds seek independent state since least end world war one colonial power divide middle east collapse multi-ethnic ottoman empire leave kurdish-populated territory split turkey iran iraq syria barzani vow press kurdish referendum defy iraq parliament