UPDATE: Major Crash investigators are calling for information about a serious crash on Sholl Street on Friday morning.
About 8.45am, a red Holden Cruze hatchback appears to have lost control, driven onto the footpath and hit pedestrians.
A 72-year-old Dudley Park woman who was driving was not injured and is assisting police with inquiries.
Two men, one aged 60 and one aged 46 and a 43-year-old woman sustained serious injuries and were taken to Peel Health Campus.
Anyone who say the crash or the vehicle prior to the incident should call Crime Stoppers on 1800 333 000.
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MAJOR Crash investigators have been called to Mandurah following a serious accident on Sholl Street.
Up to four people were injured, with at least two reportedly in a serious condition, following the crash which happened just before 9am on Friday.
Police said a woman leaving the Woolworths Central carpark lost control of her vehicle before ploughing in to a group of people outside Mewburn Centre.
The driver of the vehicle was not seriously injured and investigations are under way into the cause of the crash.
Sholl Street remains closed to vehicles between Pinjarra Road and Tuckey Street.
Inquiries are continuing.