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A man has been arrested and another left fighting for his life after a stabbing in Christchurch.
The 19-year-old was arrested after the incident at a house on Northcote Rd, Northcote about 2am today.
The victim, a 43-year-old man, was taken to hospital in a critical condition.
In a statement, police said a section of Northcote Rd was cordoned off while a scene examination was completed.
Police were not looking for anyone else in relation to the incident.