The RAC Rescue helicopters have been sent to separate crashes in the state's south.
One crash just outside the Narrogin townsite on Congelin-Narrogin Road, near the intersection of White Road.
The chopper has now been sent back with the patient assessed at the scene and not required to be flown to Perth.
Another accident happening on Pinjarra Road, near the intersection of Nancarrow Way, in Ravenswood.
In Ravenswood, one person is trapped in the car with emergency service personnel working to free the driver.
Volunteer Fire and Rescue Service firefigters are on the way to the scene as well.
More to come...