MMA fighter pleads not guilty to beating UFC fighter wife

A photo provided by the Honolulu Police Department shows Arnold Berdon III. Honolulu police arrested Berdon, a mixed martial arts fighter, on charges of attempted murder Tuesday, Nov. 20, 2018 after he allegedly punched his wife and fellow fighter, Rachael Ostovich-Berdon, in the head, face and ribs, fracturing her eye socket. (Honolulu Police Department via AP)

HONOLULU — A mixed martial arts fighter accused of punching his wife and fellow fighter has pleaded not guilty to second-degree assault on Oahu.