Major Collision Investigation Unit detectives are investigating after a motorhome rolled and struck a woman in Emerald on Wednesday, 28 February.
It is believed the motorhome had been parked on Belgrave-Gembrook Road when it rolled down the street about 10am.
The vehicle then hit a woman pushing a pram with a child inside and crashed into the verandah of a store front, before coming to a stop.
No one in the store was injured.
The woman believed to be in her 80's from Emerald sustained serious injuries and was airlifted to hospital for treatment.
The young child inside the pram was not injured.
The owner of the motorhome is assisting police with their enquiries.
Anyone who witnessed the incident or has information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au