Two people killed in single car crash south of Perth

Two people have been killed in a single car crash south of Perth. 

Police were called to the scene on Thomas Road in Oakford at around 4am (AWST) this morning, where they found two people dead. 

Thomas Road between Anketell Road and King Road is now closed to all traffic.

Major Crash investigators are conducting inquiries at the scene.

Motorists are advised to avoid the area.