The group named the slain militant as Abu Haidar al-Khafaji and said he was working in Damascus as a security adviser to the government.

Iraq's military says its forces and American troops have killed a senior commander with the Islamic State group who was wanted by the United States.

Military officials said those killed in a dramatic mission by U.S. and Iraqi forces last month included the extremist group’s head of operations in Iraq.

Iraqi forces and American troops last month killed a senior commander with the Islamic State group, as well as several other prominent militants, U.S. Central Command and Iraq's military said on Friday.