Emergency services are at a water incident at Paranui Falls near Whangārei.
A police spokeswoman said police responded about 11.14am.
“At this stage it appears one person has suffered critical injuries,” she said.
A Hato Hone St John spokesperson said they were notified of an incident in Whareora about 11.09am.
“One rapid response unit, one ambulance, and one operations manager have responded at present.