A Queensland man posted this photo of a strawberry with a needle on Monday.

More than one needle has been found in a punnet of Australian-sourced strawberries bought in Auckland late on Saturday night.

The person who reported the incident was not harmed as the needles were found before anyone had eaten them, police confirmed.

The punnet was bought at an Auckland Countdown but the location will not be disclosed.

Countdown is advising New Zealand customers to cut up strawberries before eating them.

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Countdown supermarket has withdrawn the Choice brand of Australian strawberries from sale as what it calls a "precautionary measure", the supermarket said in a media release.

The brand was sold nationwide last week.

There have been no reports of any illness or injury in New Zealand.

The strawberries affected by this withdrawal have not previously had any issues of this nature reported and had not been withdrawn from sale in Australia, the release said.

Countdown is in contact with both New Zealand and Australian authorities as they investigate this matter, the supermarket wrote.

Following similar advice from public health authorities in Australia, customers should cut up any Australian strawberries before eating them.

This does not affect New Zealand strawberries, which are not on shelves yet.

Police are taking this report seriously and are investigating with the Ministry for Primary Industries.

Foodstuffs has confirmed the distribution of Australian strawberries in its stores was halted last weekend, a spokeswoman said.

"We do not have Australian product in our stores: PAK'nSAVE, New World, Four Square.

"The New Zealand season is about to start in earnest and local fruit will soon be in store," she said.

"We do not stock Choice strawberries."

Police encourage anyone who finds anything suspicious in their food to contact authorities immediately.

Customers can return any Choice brand of strawberries they may have at home to Countdown for a full refund.