Police were not pursuing the Kluger when it crossed to the wrong side of the freeway and crashed into the BMW.
The male driver of the Kluger â€” who allegedly brandished the loaded gun at officers as he fled the crash â€” was taken to hospital to be treated for a laceration and chest injuries.
Two 27-year-old female passengers in the Kluger were arrested and taken to hospital with minor injuries, while a third 26-year-old female occupant was uninjured and also taken into custody.
“We’re just thankful at this stage, hopefully the injuries aren’t serious to the civilian couple, ad we’ve got the four people off the streetÂ â€” plus a loaded firearm, which was a great concern to us,” Inspector Snashall said.
Inspector Snashall said the four people in custody were suspects in “a number of” violent crimes throughout Perth on Monday afternoon and evening.
Witnesses phoned in to report the chase to 6PR about midday on Tuesday, claiming the white Toyota Kluger lost control on the Mitchell Freeway and crashed into the front passenger side of the BMW.
Truck driver Brayden told 6PRâ€™s Gareth Parker he narrowly avoided crashing into the Kluger about 11.40am on Great Northern Highway in West Swan, near West Swan Road.
Brayden claimed the Kluger was swerving either side of the road and missed him by about a metre.
There were also reports of the Kluger travelling on Gnangarra Road, BeechboroÂ Road and Alexander Drive heading south towards Malaga. It was also seen on the freeway south near Hutton Street before callers reported the crash.
The incident comes after a Perth man allegedly had a gun pointed at him during a violent car-jacking in Mirrabooka on Monday evening, sparking a search for both the car stolen from him and the other car involvedÂ â€” the white Toyota Kluger.
The 28-year-old man was driving west along Beach Road in a black Volkswagen Jetta about 6.50pm on Monday when he stopped at a set of traffic lights.
While stopped at the lights, a white Toyota Kluger pulled up next to him and a man got out of the car,Â walked over to the Jetta, opened the driver’s door and allegedly demanded the driver hand over his belongings.
The man is then alleged to have punched the driver a number of times in the head and body, and dragged him out of the car.
Once on the ground, the driver told police he saw another passenger of the Kluger pointing a gun at him, before his attackerÂ drove off in the Jetta and travelled west on Beach Road, with the Kluger following closely behind.