baghdad iraqi force remove monday kurdish flag hoist governorate build april next iraqi flag say residents add iraqi flag fly u.s.-trained iraqi elite unit take control governorate build early day meet opposition kurdish force deploy city welcome cheer crowd turkmen residents city drive around convoy fire sometimes burst gunfire air celebrate iraqi military operation launch early hours monday take control kurdish-held position oil-rich region iraqi force remove kurdish flag kirkuk governorate build residents