A young mother with an unrestrained three-year-old child in the front seat was among 100 drivers who were arrested in a drink driving crack-down in Auckland over the weekend.
Police said the woman in her 20s gave a reading of 628 micrograms of alcohol per litre of breath, well over the 400 microgram limit, when she was stopped at checkpoint early on Saturday afternoon.
Her three-year-old child was not wearing any restraint and was travelling in the front seat, police said.
The woman was arrested as part of a continuous 31-hour crack-down on drink driving in the Auckland region, known as Operation Continuum, which ran from 11pm on Friday through to 6am today.
More than 17,500 drivers were stopped and breath tested, and 100 were found to be driving with excess breath alcohol.