A search is underway for a man seen in trouble in the water at Lake Wanaka.
Just after midday police were advised that a man was in trouble in the water on Lake Wanaka just off Stevensons Island.
Local vessels and the Coastguard started searching for him and a helicopter with paramedics on board was also assisting.
LandSAR volunteers were also helping look for the man.
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A St John spokesperson confirmed a rescue helicopter had been sent to the scene.