Four have been injured in a collision between a WA Police Toyota Hilux and a black Ford Mondeo.
The collision occurred as the police vehicle crossed the intersection Charles Street and Newcastle Street intersection with its lights and sirens activated.
The police vehicle collided with the Ford Mondeo while crossing the intersection.
The injured were taken to hospital with minor injuries, and were later released.
Police ask anyone who witnessed or has video/photos of the crash to call Crime Stoppers on 1800 333 000 or to make a report online at www.crimestopperswa.com.au