BAGHDAD (Reuters) - An Islamic State leader has been killed in an air strike in the **rthern Iraqi city of Mosul, residents and a local medical source said on Thursday. 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. The ultra-hardline Islamic State swept through **rthern Iraq in June almost u**pposed by the Iraqi army, consolidating gains made in the country's Sunni heartland region of Anbar. Hamdouni was buried later on Wednesday. ...