An Auckland teenager and woman have been taken to hospital with “serious to critical” injuries.
The incident took place on Wymondley Rd, Ōtara, with police called to the property about 10.50pm.
A woman and teenager were subsequently taken to hospital, police said.
Hato Hone St John said it sent two ambulances to the home.
“Our crews assessed and treated two patients, both in a serious condition,” a spokeswoman said.
“One patient was transported to Middlemore Hospital and one patient was transported to Starship Hospital.”
Police were examining the property this morning, but said they were not looking for anyone else in relation to the incident.
Photos from the scene show investigating police focusing on the home’s driveway, having cordoned off the house.
Blood could be seen on the bonnet of a car.
Sign up to the Daily H, a free newsletter curated by our editors and delivered straight to your inbox every weekday.
Inmates at New Zealand's prison will have the same menu as last year on Christmas Day.