Earlier, a person was airlifted to Waikato Hospital with serious injuries following a collision on State Highway 1 near Tirau.
Waikato Westpac Rescue Helicopter has confirmed one patient sustained fractures and was being flown to Waikato Hospital for further treatment.
In a statement, police said a report of a two-vehicle crash at the intersection of SH1 and Horahora Rd, Piarere, was received at about 3.40pm.
"One person has serious injuries and another has moderate injuries. Traffic management is being put in place."
Police said the road is closed and diversions are in place.