JOONDALUP Detectives are investigating an attack on a 35-year-old man in Kingsley on the weekend.
At about 4pm on Saturday, July 28, three men in their 20s entered a house and threatened the female occupant with a blunt object before assaulting the man, causing him serious head injuries.
Police believe the men fled the home in a white dual cab utility (similar to a Holden) with green writing on the side.
One offender has olive skin, is about 190cms tall with a stocky muscular build, short dark hair, tattoos on each calf and was wearing dark coloured shorts, a hooded top, baseball cap, and white sneakers.
The second offender has fair skin, freckles, is about 183cms tall, with a medium build, light brown hair, clean shaven and was wearing a light coloured tracksuit and sneakers.
The third offender has fair skin, is about 183cms tall, with a slim build and dark hair possibly in a mullet style cut and was wearing a black long sleeved top and blue jeans.
Detectives want to speak to anyone who may have seen the men or the vehicle.
Anyone with any information relating to this incident is urged to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.