World Bulletin / News Desk
A bomber detonated his explosive vest as Rapid Response forces were clearing al-Qulayat district in western Mosul, lieutenant Khamis al-Jabbouri said.
Two other police personnel were injured in the attack.
Once Iraq's second largest city, Mosul was captured by ISIL along vast swathes of territory in northern and western Iraq in 2014.
Last week, Iraqi Prime Minister Haidar al-Abadi formally declared victory over ISIL in Mosul, the terrorist group's last stronghold in northern Iraq.