ankara breakup either iraq syria could lead global conflict turkey defense minister say tuesday turkish tank deploy near border iraq ahead plan kurdish independence referendum change mean violation iraq territorial integrity pose major risk turkey nurettin canikli say disruption syria iraq territorial integrity ignite big global conflict unseen end turkey large kurdish population south country fear independence referendum iraq could embolden outlaw pkk wag insurgency southeast since 1980s canikli say ankara could allow formation ethnic-based state south country nobody doubt take every step make every decision stop growth risk factor say breakup iraq syria could lead global conflict turkey say