A 35-year-old man has been charged after he allegedly threatened an elderly man while armed with a brick before stealing his car.
The 87-year-old victim was sitting in his parked car on Allnutt Street on Wednesday afternoon when the armed man allegedly threatened him.
As the victim got out of his car he fell to the ground.
Police say he was extremely shaken by the incident.
The 35-year-old man then allegedly drove away in the victim's car which was found a short time later at a nearby shopping centre car park.
The man from Greenfields has been charged with aggravated armed robbery and is due to appear in the Perth Magistrates Court today.
18-year-old male from Lakelands charged over incident in Pinjarra
BREAKING: Reports of a man armed with a firearm in the Pinjarra area
Hayden Ballantyne signs with Rockingham Rams
Mayor reassures community that 'no decision has been made' to close 4WD access at Tim's Thicket, White Hills beaches
DBCA 'sick and tired' of illegal access to Port Kennedy Scientific Park
Mandurah homeless camp goes up in flames
Dawesville community shocked after kangaroo deliberately mowed down
Teens armed with knife, scooter charged over Rockingham Shopping Centre fight
Mandurah private school teacher charged with alleged sexual abuse of male student