MATTAWAMKEAG — Maine wardens say a 30-year-old Mattawamkeag man shot himself in the arm and torso when he lost his footing along a riverbank, causing his rifle to discharge.

Wardens say Aaron Burke was in serious condition after being shot Thursday morning. Wardens say he was hunting deer along the Mattawamkeag River when he slipped, causing his 30-30 rifle to discharge.

Wardens say he managed to climb a riverbank and make his way out of the woods to call for help.

The incident remains under investigation. Burke was being treated at Eastern Maine Medical Center in Bangor.