A group allied with the Taliban has been holding a U.S. man hostage for more than a year in a case that previously had not been disclosed, according to a published report citing U.S. officials and others familiar with his case.

The Daily Beast did not name the man or give details about him, but said he was being held by the Haqqani Network, the same group that held U.S. Army Sgt. Bowe Bergdahl before he was freed last year in a swap for five senior Taliban leaders.

The group has not made any public demands for his possible release, the Daily Beast said. A former government official in Afghanistan told the news outlet that he is alive and in good health. Local officials and those in the United States said they do not know precisely where he is being held.

The unnamed man is one of 30 Americans held hostage outside the United States, who have been the object of political controversy in Washington over what the government should be doing to secure their release.

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