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MAINZ, Germany — A German army chief in the U.S.-led coalition fighting ISIS in Iraq was found dead in his hotel room there Wednesday, officials said.

Colonel Stephan Spoettel was found dead at 8:50 a.m. local time (1:50 a.m. ET) in the Cristal Erbil Hotel in the northern Kurdish city of Irbil, the German armed forces said in a statement.

Spoettel was the head of the coalition's German training contingent in northern Iraq. There was no information to suggest suicide or "third-party involvement," the statement added.

Operation Inherent Resolve, the U.S. name for the coalition fighting the extremists across Iraq and Syria, said in a statement that a member of the coalition had died in Irbil on Wednesday, without providing further details.

"This incident is under investigation and further information will be released as appropriate," the statement added.