Police investigating a serious crash near Taupo on Sunday (27 September) are hoping to identify further witnesses.

The crash happened State Highway 1, south of Taupo, near Hatepe Hill around 5.10pm.

Initial investigations indicate one vehicle crossed the centreline, for reasons still to be established, resulting in a three car collision, say police.

'Two men and a woman remain in Waikato Hospital; the woman is in a serious condition.

Another man was taken to Rotorua Hospital and is expected to be discharged.

'Traffic was quite busy at the time, so it is possible there are further witnesses that the police have not yet identified.”

Anyone who witnessed the crash or has any other information which might assist is asked to contact Constable Tina Mitchell-Ellis or Constable Paul Wraight at Taupo Police on 07 378 6060.

Alternatively, information can be left anonymously via the Crimestoppers 0800 555 111 line.