Two people are in a critical condition after a boat overturned in Port Waikato this morning.
Emergency services received reports of three people in the water at Lake Puketi at around 7.15am.
Hato Hone St John told 1News it responded with three helicopters, one ambulance, one rapid response unit, and one manager.
Crews assessed and treated three people at the scene.
Two people were airlifted to Auckland City Hospital and Waikato Hospital in a critical condition.
One person in a moderate condition was airlifted to Middlemore Hospital.