Residents and a local medical source said on Thursday that an Islamic State leader has been Killed in an air strike in the **rthern Iraqi city of Mosul. Radwan Taleb al-Hamdouni, whom the sources described as the radical militant group's leader in Mosul, was Killed with his driver when their car was hit in a western district of the city on Wednesday after**on. Hamdouni was buried later on Wednesday. Two U.S. officials said they were unable to confirm whether Hamdouni had been killed.