Six people have been treated for injuries following the Pinjarra Road crash overnight.
Around 6pm last night it's understood a 4WD crossed onto the wrong side of Pinjarra Road where it collided with a hatchback.
The hatchback was carrying six people at the time of the incident.
Two people were flown to Royal Perth Hospital for treatment.
Two other people were taken to Peel Health Campus and one person taken to Fiona Stanley hospital for treatment of less serious injuries.
Ravenswood #majorcrash: It’s alleged a 4WD crossed onto the wrong side of Pinjarra road colliding head on with a hatchback that was carrying six people. The RAC rescue helicopter transported some patients to a Perth hospital. #perthnews #peel pic.twitter.com/iNTpp6Fmeo— Texas Reeks (@TexReeks) May 13, 2018