baghdad iraqi force deploy tank artillery south kurdish-held area northern iraq section kurdish oil export pipeline locate security source say monday buildup take place northwest mosul official kurdistan regional government krg security council say phone kurdish capital erbil iraqi government security advisor say fish-khabur area northwest mosul location cross turkey syria baghdad want bring control decline say military move prepare pipeline carry crude across iraqi kurdistan connect meter station fish-khabur feed another pipeline take crude turkish mediterranean coast export military buildup take place around rabi 40 kilometers 25 miles south fish-khabur kurdish security official say turkey iran support measure take iraqi government isolate krg hold referendum kurdish independence sept. 25 bring kurdistan region oil export land cross baghdad authority iraq show zero sign de-escalate say statement krg security council deployment add units bring region include iranian-backed popular mobilisation paramilitaries fish-khabur cross kurdish control since 1991 unite state western power impose no-fly zone northern iraq protect kurds saddam hussein army syrian side border region control u.s.-backed syrian kurdish force iraq build force south kurdish oil export pipeline security source