A woman has been airlifted to hospital following a single-vehicle crash in a small town east of Bunbury on Sunday morning.
Emergency services were called to Nash Road, near the intersection of Albany Highway in Williams, before 11am after reports of a vehicle rollover.
The Department of Fire and Emergency services attended the scene and worked to free a person who was trapped.
A woman in her 40s was taken by helicopter to Royal Perth Hospital for treatment, arriving about 1.45pm.
No other patients required treatment following the crash.
Investigations into the circumstances surrounding the incident are ongoing.

