A person was thrown from a vehicle following a serious crash in Matamata.
Emergency services were notified at 10.25pm of the single-vehicle crash on Morgan Road, west of the town.
"The two passengers were seriously injured, and the rear passenger was ejected from the vehicle," says a statement from police.
"The driver was not injured."
The injured patients were transported to Waikato Hospital.
The road was closed until just after 2am for a scene examination.
"The Serious Crash Unit is investigating."