Police are investigating a fatal crash that claimed the lives of two people in Wannamal yesterday.

A man and a woman were killed following a head-on collision on Great Northern Highway about 3:40pm.

A 20-year-old man was travelling south in a Toyota Hilux when it collided with a Toyota Corolla travelling north, about three kilometres south of New Norcia.

The two occupants of the Corolla are yet to be identified.

The 20-year-old man received minor injuries and was treated at Joondalup Health Campus.

Police are urging anyone who can assist their investigation to contact Crime Stoppers on 1800 333 000 or make an online report at www.crimestopperswa.com.au

#Wonganhills #Gingin attending fatal crash GT Northern Hwy, near New Norcia. Please avoid Hwy until further notice pic.twitter.com/DiJDcZCFEy

— Wongan Hills Police (@WonganPol) March 14, 2018