Fort Thompson man pleads not guilty to fed officer assault

PIERRE, S.D. (AP) - A Fort Thompson man has pleaded not guilty in U.S. District Court to assaulting a federal officer.

Thirty-two-year-old Stuart Dion is accused of assaulting a Bureau of Indian Affairs officer on April 16. He was indicted May 17 and pleaded not guilty two days later.

U.S. Attorney Randolph Seiler says Dion faces up to 20 years in prison if convicted. A trial date was not immediately set.