Police are responding to reports of a gunshots heard on Avonside Drive in Christchurch.
Witnesses say they heard one shot, then nothing for about a minute then a bunch of shots.
Police say there were reports of "possible gunshots" at about 7am this morning.
No injuries had been reported and officers are working to speak with those involved.
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Cordons are in place around Avon Park and the Armed Offenders Squad is attending as a precaution.
The area is in the quake-damaged red zone area of eastern Christchurch.