A man has been stabbed in Taumarunui with what police describe as "a large knife", which was left embedded in his upper chest.
Friends rushed the 18-year-old to the local hospital before he was flown to Waikato Hospital, where he was in a stable condition, police said on Sunday.
They did not say when and where the attack happened.
An 18-year-old Taumarunui man has been arrested and is being held in custody.
He will appear in Taumarunui District Court on Monday facing charges related to the stabbing.