washington iraq top sunni muslim politician say wednesday would back shi ite iraqi prime minister haidar al-abadi new term long condition bring shi ite militias state control balance relations countries fulfil osama al-nujaifi baghdad sunni vice president washington talk senior state department congressional officials discuss issue face iraq battle islamic state wind iraq hold parliamentary elections may 15. abadi yet say whether would seek second term take premiership 2014 nuri al-maliki close ally iran abadi credit quickly rebuild army defeat islamic state main iraqi stronghold mosul last july strong assistance u.s.-led coalition ask whether would ally abadi nujaifi tell reuters interview possible ... may able ally happen yet ... need talk politics close us next elections nujaifi say abadi determine position give belong dawa party shi ite group close tie iran leave umbrella embrace national umbrella get lot support nujaifi say support without condition must political agreement base mutual interest iraqis exit sectarian politics ... control weapons balance relationship countries ... agree things together nujaifi single iran-backed shi ite militia force know popular mobilisation force pmfs one big challenge post-islamic state iraq say would impossible hold elections weaponry bring government control iranian-backed militia group form grand ayatollah ali al-sistani call iraqis defend country days islamic state seize control northern city mosul play major role protect baghdad push back islamic state militias also create headaches government many tie iran amass vast military political influence abadi promise rein militias daunt task iraqi western officials say weak take militias directly parliament approve law late last year transform pmfs legal separate military corps course shape threat stability iraq weapons control meld arm force political disagreement could turn arm confrontations ... correct way meld force arm force control unreasonable run elections shadow spread weapons displacement millions people ... distort elections ask whether baghdad government remove iraqi cities say think natural pmfs influence baghdad .... role influence state big easy prime minister force something outside attitudes nujaifi say abadi declare victory islamic state mosul summer months-long battle three years militants seize city make stronghold caliphate say would take world nujaifi say mosul would need least 30 billion rebuild city infrastructure estimate indicate 70 percent city destroy largely destroy infrastructure aspects life water energy hospitals destroy sunni iraq vp support pm abadi second term condition