Christchurch police are investigating an alleged sexual assault by an intruder in a woman’s home in Sockburn about 10.50am on Tuesday, September 24.
The woman received medical treatment at the scene and is now being cared for by family members.
The intruder is described as in his 40s, with two missing front teeth, and possibly wearing a high-visibility vest.
Detective Senior Sergeant Darryl Sweeney said: “We are appealing for anyone who may have seen a person answering this description, or any other unusual activity in the area between 10am and 11am this morning, to contact police urgently.
“We would also like to hear from anyone in the area who has noticed any suspicious activity or vehicles in the vicinity over recent days and weeks, including unfamiliar people knocking on doors or visiting properties.
“The attacker was not known to the victim,” Detective Senior Sergeant Sweeney said.
Up to 30 police have been working on the investigation this afternoon.
A scene examination is under way at the property and is expected to continue through to tomorrow.
The police will remain in the area in the next two days, talking to neighbours and residents in the area.
Anyone with information is asked to contact Christchurch police on (03) 363-7400.
Alternatively, to provide information anonymously contact Crimestoppers on 0800-555-111.