Rockingham detectives are investigating an attempted robbery that occurred on Sunday the 4th of November near a shopping centre in Baldivis.
A 66-year-old male who suffers from cerebral palsy was approached by a man who tried to take his wallet.
During the incident punched the victim in the head before fleeing after being confronted by an unknown member of the public.
The male offender is described as dark skinned, medium height, with long dark curly hair, a long grey beard and of heavy build.
Rockingham detectives are asking that the member of the public who assisted the victim make contact with them.