A young man was killed in tribal revenge in the Zammar district, northwest of Mosul.A source in the Nineveh Police told the National Iraqi News Agency (NINA): 'The young man works as a nurse in the Nineveh Health Department, and he was killed by gunmen on foot who opened fire at him inside a cafeteria in the Zammar district.'The source added: 'The police handed over the dead man's body to forensic medicine and opened an investigation into the incidentSource: National Iraqi News Agency