Singapore tourists injured in Valley of Giants crash A Singaporean woman was critically injured when the car she was travelling in rolled on the way into the Valley of the Giants Tree Top Walk, in Walpole-Nornalup National Park. A GROUP of Singapore tourists was injured when their car rolled in Nornalup, 420km south of Perth, yesterday afternoon. The crash happened on the Valley of the Giants Road at about 1pm when the group's Hyundai wagon left the road and rolled. Police believe the 51-year-old male driver veered onto the gravel, before overcorrecting and crashing the vehicle. A 35-year-old woman, who was sitting in the back seat with her 17-month-old daughter, suffered life-threatening injuries. She was taken to Denmark Hospital and later transferred to Albany Hospital. The other passengers received less serious injuries. Police are calling for witnesses to the crash, or anyone who saw the vehicle prior to the crash, to call Crime Stoppers on 1800 333 000.