A U.S. service member died Saturday in a non-combat incident in Iraq, defense officials said.

The service member died in Nineveh province, according to a release Saturday from Combined Joint Task Force - Operation Inherent Resolve.

The service member was not identified, pending notification of family members.

Further details about the incident were not available on Saturday, and "will be released as appropriate,” the release stated.

Iran killed more US troops in Iraq than previously known, Pentagon says One in every six American combat fatalities in Iraq were attributable to Iran, according to a new official estimate.

U.S. troops are serving in Iraq to advise and assist Iraqi forces in the fight against the Islamic State group. Operation Inherent Resolve is the U.S.-led mission to defeat ISIS.