A Christchurch Police officer is turning pain into purpose. 

Nick Johnston has been an officer for many years and was one of the first on the scene at the Christchurch mosque terrorist attack. 

Over the years the strain and trauma has built up, but Johnston has turned his breaking point into a purpose – aiming to complete a half Iron Man challenge every day in November to raise money for mental health charity Better Man. 

He joined Lesley Murdoch to chat about his efforts.  

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