Auckland's CBD is "mayhem" on Thursday, Friday and Saturday nights, says St John Ambulance.

New figures supplied to Newshub by Statics New Zealand have revealed Auckland neighbourhoods dominate a leaderboard of the most violent city hot spots in the country.

"The fights and the assaults and the sexual assaults and things like that, it is out of control,” says St John acting Auckland district operations manager Mike McAulay .

Mr McAulay said St John’s workload in downtown Auckland is dominated by violence and disorder-related injuries.

“We are coming across a lot of assaults, fist fighting, broken noses, lacerations, cuts above the eye, stuff like that.”

Asked whether he’d be happy wandering around the inner city streets late at night, Mr McAulay's response is direct: “No, I wouldn’t. I think you are vulnerable here in Auckland.”

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Mr McAulay was patching up a patient on the corner of Fort St and Queen St two years ago when he says he was forced to beat a hasty retreat.

“It started off with just one patient with a broken nose and he had some blood on his face and we had to actually pull out because there was 40, 50 people ended up fighting.”