A German tourist whose car crashed near Rotorua remains in a critical condition at Waikato Hospital.
The 19-year-old was driving a car involved in a head-on collision on State Highway 30, at Horohoro, near the intersection with Bryce Rd, about 9.30pm on Saturday.
His passenger, an 18-year-old German tourist, sustained multiple fractures and was flown to Auckland City Hospital on Sunday.
Waikato DHB spokeswoman Mary Anne Gill said the driver, who has head injuries, remained in a critical condition in the hospital's intensive care unit.
A Te Kuiti couple also injured in the crash were in a stable condition in Rotorua Hospital.