“Members of the public … acted with extreme bravery this morning,” Waitematā District Commander superintendent Naila Hassan told reporters on Thursday afternoon.
“It absolutely could have been a lot worse and that’s why I really need to acknowledge the bravery of those members of the public.”
Superintendent Hassan said the knife wielding offender was a local person.
“This was an isolated incident,” she said and there was no indication it was a hate crime, as the victims were of different genders, ethnicities, and ages.
“It was a random attack
“A number of members of the public were following him and eventually one of them intervened," she said.
“It could’ve been a lot worse and that’s why I really need to acknowledge the bravery of those members of the public that intervened to bring this to a conclusion.”
- Supt Hassan
Ambulance service St John said that five people had suffered moderate injuries, with four taken to Auckland Hospital.
It follows two violent stabbing rampages at supermarkets in New Zealand last year.
National police spokesman and MP Mark Mitchell said the violent event near a usually peaceful beach was "tragic".
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