Motorhome crash: Woman airlifted to Perth after one person trapped, two others injured in Rosa Glen

A woman has been airlifted to Perth after a motorhome crash that left one person trapped and others hurt in the South West.

The incident unfolded on Boronia Road near the Wallis Road intersection in Rosa Glen, about 12km east of Margaret River, just before 10.20am on Sunday.

Police said that a motorhome with four women inside crashed into a tree, trapping one and injuring the others.

St John WA sent two ambulance crews to the scene.

The RAC Rescue helicopter was also sent to the crash site, and airlifted one woman to Royal Perth Hospital with serious injuries.

The other three women were taken to Busselton Health Campus.