A 41-year-old man suffered extensive cuts above both his eyes which required stitches during a weekend carjacking in Wannanup.
Police said the victim also received bruising to both eyes and his face, ribs and back.
Investigations continue into Saturday's aggravated robbery and stealing of a motor vehicle that occurred between 4.45pm and 5pm, September 23.
The man was was sitting in his white Hyundai Getz in the beach carpark at the end of Westview Parade when the offenders reached through the open driver’s door window and began punching the victim to his face and upper torso a number of times before dragging him out of his vehicle.
The offenders stole the victim’s white Hyundai Getz, registration number 1EJW008.
The vehicle has still not been located.
Mandurah detective said three other vehicles were seen in the area at the time, including a light green Holden Commodore (possibly a VZ or VY model), a Nissan Patrol and a white Courier style van.
Police are asking the occupants of these vehicles to come forward, and those with dashcam vision that may also have been in the area.
Anyone with information to assist is urged to call Crime Stoppers on 1800 333 000, or report the information on line at www.crimestopperswa.com.au
Scorching Christmas temperatures for Perth, Rockingham, Mandurah
Teen charged over Baldivis arson attack
Concerns for missing boy last seen in Warnbro
Baldivis Sports Complex officially complete with unveiling of final stage
Teen dies at Logue Brook Dam
Mandurah named WA’s Most Accessible Community
Police attend separate crashes in Lakelands and Port Kennedy
Fresh new look for Roger May Machinery Museum
Tragic end to search of missing FIFO worker