PHOENIX -- A man accused of stabbing his mother at a Phoenix restaurant and then attempting to behead her has pleaded not guilty.
Maricopa County prosecutors said 35-year-old Michael Lee Hansen entered his plea Thursday.
His next scheduled court appearance is Sept. 4.
Hansen was arrested earlier this month after the attack at the Sakura Sushi and Steakhouse near 70th Street and Mayo Boulevard.
His mother suffered non life-threatening injuries. Her name hasn't been released.
Phoenix police said Hansen is accused of punching his mother, knocking her unconscious and stabbing her around the neck and hands.
Detectives said Hansen admitted to hitting his mother and attempting to cut her head off.
He also told authorities that the attack stemmed from pornographic pictures of him.
Police said Hansen was charged with attempted murder and was being held on $250,000 bond.
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