Mandurah Police have a man in custody after four people allegedly attacked a victim with baseball bats, before ramming his car on Morfitt Street this afternoon.
Police were called to the altercation near the intersection of Park Road and Morfitt Street about 2.20pm.
Mandurah Detective Senior Sergeant Trevor Troy said three men and one woman, with a shaved head and pony tail, were observed fighting a male victim on the street and damaging his vehicle.
Senior Sergeant Troy alleged the fight involved baseball bats and rocks.
She was in the car the whole time and they smashed all the windows - they were both in it.Murray-Wellington MP Robyn Clarke
The group had parked their ute in the middle of the road, behind the victim's vehicle, according to a neighbour.
Senior Sergeant Troy said a man from the group of four, rammed the victim's car with the ute.
Murray-Wellington MP Robyn Clarke, who witnessed the incident, said there was a woman in the victim's car at the time.
"She was in the car the whole time and they smashed all the windows - they were both in it," she said.
"We couldn't get past, they were in the middle of the road."
The man who rammed the vehicle was taken into custody by police shortly after.
Senior Sergeant Troy said the man will be charged with reckless driving after being assessed by St John Ambulance paramedics.
"We will look to charge the other parties involved," he said.
"This is not something we will tolerate."
Senior Sergeant Troy said they were looking for CCTV or dash cam footage of the incident.
If you can help, contact Crime Stoppers on 1800 333 000.