One in 10 licensed premises sold alcohol to 15-year-olds in a sting in the Auckland City police district.

Three boys and three girls were instructed not to dress to look older or wear make-up when they entered 162 businesses armed with $20 cash and no ID.

Seventeen outlets were busted breaking the law and will be referred to the Liquor Licensing Authority for suspension or cancellation of their licences.

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