washington world bank tuesday approve 400 million additional fund help rebuild service iraqi areas recapture islamic state militants three-year military campaign global development bank say world bank also say would fund study involve private sector reconstruction mosul airport restore public transport terminals well part railway network package represent additional finance iraq emergency operation development project 350 million approve back july 2015 already underway seven cities diyala salah ad-din governorates world bank say statement say new fund would focus rebuild five sectors water sanitation electricity health transport municipal service fund also help restoration preservation cultural heritage sit mosul old city heavily damage fight iraqi government force back u.s.-led coalition retake mosul may far large city fall militants control nearly nine months urban warfare iraqi government officials estimate take least five years billions dollars rebuild mosul world bank approve 400 million rebuild liberate iraqi areas