Bay of Plenty police are investigating two serious incidents in the district, including an alleged home invasion and sexual assault.
Police say a 32-year-old Kawerau woman was asleep in her bed when she was attacked by an intruder and sexually assaulted.
They say the man, described as a Maori in his 30s, was forced off during a struggle and left the house but has not been located.
In the other incident, a woman was allegedly pulled into a car in Opotiki and set upon by three other women.
Police say the 17-year-old woman was taken outside the town and left on the side of the road.
The victim has undergone medical treatment for injuries to her face and body and police say three women have been spoken to about the incident.