UPDATE: Major Crash officers are investigating a fatal crash which occurred on Cathedral Avenue, Parkfield on Wednesday, September 13.
At approximately 1:30pm a Toyota sedan was travelling northbound on Cathedral Avenue near Buffalo Road, when it left the road and collided with a tree.
The 64-year-old female driver died of her injuries at the scene.
Major Crash investigators are seeking witnesses who may have seen the vehicle driving prior to the crash.
Anyone with information is asked to call Crime Stoppers on 1800 333 000, or to make a report online at crimestopperswa.com.au.
EARLIER: Emergency services including the rescue helicopter were called to a serious crash in Parkfield on Wednesday afternoon.
The accident happened about 1.40pm and involved a single vehicle on Cathedral Avenue near Buffalo Road.
Fire crews, St John Ambulance and police were in attendance.
Major Crash officers are expected at the scene shortly.
More to come.