Armed offenders squad members were called to help police search a West Auckland property this morning.
Inspector Ian Brooker said it was a "low-level operation" in relation to a stolen vehicle.
Police were at the Kelston address for about an hour until 8.40am, he said.
No schools were placed in lockdown as a result.
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"It's an ongoing thing," Mr Brooker said.
"We do them all the time, almost daily. It was in relation to a stolen vehicle."
No further information could be released, he said.