A St John spokesperson said the ambulance service was notified of the incident at 1.58am. and sent two ambulances, one rapid response vehicle and one managing vehicle to the property.
"We assessed and treated two patients; one in a critical condition who was transported to Auckland Hospital and one in a serious condition who was transported to Middlemore Hospital."
• Anyone with information related to the incident is asked to contact police on 105 and quote event number P050576411.