Runanga 11-year-old Aaron Hoy recently became what is claimed to be the youngest person in the world to achieve a black belt in the martial art of Nin-Ka-Do.
His dad David, who has been teaching Nin-Ka-Do for 25 years, said Aaron had accomplished the feat after completing a three-hour grading test.
The grading was rigorous, starting with 80 push-ups on his knuckles. One of the last tests was defending against three attackers at the same time.
Aaron has been involved in Nin-Ka-Do -- translated in English as "fighting skill of mind and body" -- since he was six.
David Hoy said his son's conquest was "pretty amazing".
