Mandurah Detectives are investigating six home burglaries in the Mandurah District overnight, including one where a Secret Harbour woman was assaulted.
The incidents happened between 9pm on Thursday June 27 and 3am on Friday June 28.
The first incident occurred between 10pm on Thursday and 3am on Friday at a home along Chepstow Drive, Mandurah.
The offenders forced entry to the home and stole a handbag and car keys from inside, before stealing a Mazda CX3.
The vehicle was found in Baldivis.
The second incident occurred about 9pm at a home on Sapphire Close in Wellard.
Two men entered the home, threatened the occupants and stole a silver Toyota Hilux. No one was injured.
The vehicle was found near Donnelly Gardens in Dudley Park.
The third incident occurred at 10:10pm at a home along Surf Drive in Secret Harbour.
Two men entered the home and stole a handbag.
The men threatened the occupants of the home, which was a man and woman in their 40s, before assaulting the woman causing minor injuries.
The men left the area in a silver vehicle.
The fourth incident occurred at 10:55pm at a home on Bortolo Drive in Greenfields. Two men entered the home but were disturbed by the occupant, a man in his 20s, and left the area.
The fifth incident occurred at 11:10pm at a home along Darwin Terrace in Dudley Park.
Two men forced entry to the home and verbally threatened the occupants, which was a man in his 40s and a man in his 20s. They stole a black Mitsubishi Evolution.
The vehicle was found on Chepstow Drive in Mandurah.
The final incident occurred about 12.30am on Friday, at a home on Eighty Road in Baldivis.
Two men forced entry to the home before being disturbed by the 40-year-old occupant. The men attacked the victim, but no injuries were received.
The men stole a Holden Clubsport before leaving the area.
Detectives believe these incidents are linked and would like to speak to anyone who has information.
Police are particularly interested in dash-cam footage or CCTV of the men and the vehicles they were driving.
Anyone with information is asked to contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.