Three people have been injured following a serious car crash in Cape Le Grand National Park this week.
A white 2000 model Jeep Cherokee was travelling along the sand on Tuesday, when about 12:55pm the driver lost control and rolled several times.
The front passenger, a 23-year-old man received serious injuries and was conveyed to Esperance Hospital before being airlifted by the Royal Flying Doctor Service to Royal Perth Hospital.
The driver, a 25-year-old man and the second passenger, 24-year-old man received minor injuries.
WA Police are investigating the incident.
Police are asking for anyone who may have seen the crash or the Jeep Cherokee travelling in the area before the crash to come forward.
They are also calling for anyone who has dash-cam vision of the area around the time of the accident.
Anyone with information relating to the crash is asked to call Crime Stoppers on 1800 333 000 or make a report online at www.crimestopperswa.com.au.