(AP) — A 60-year-old man from northeast Nebraska has been sentenced to nearly three years in prison for stabbing his adult son with a kitchen knife.

The U.S. Attorney’s Office announced Friday that Judge Lyle E. Strom sentenced Mark Phillips, of Walthill, to 33 months in prison. He had been found guilty of assault with a dangerous weapon.

Walthill stabbed his adult son in the chest on Sept. 21, 2012, in the family home in Walthill, about 65 miles north of Omaha.

His son was treated for the wound and released.

The federal government had jurisdiction because the crime was within the Omaha Indian Reservation.