Two teenagers have been killed in a horror crash south-east of Perth.
Police say six teenagers were in a Mitsubishi sedan driving north along Lake Road in Seville Grove around 10pm on Thursday when the driver struck a kerb and then a tree.
A 17-year-old boy who was a passenger in the car died from his injuries at the scene.
A 15-year-old male passenger died in Armadale Hospital after also suffering critical injuries.
The 18-year-old driver was taken to Royal Perth Hospital with minor injuries.
Three other male passengers, two 18-year-olds and a 19-year-old were conveyed to different hospitals to be treated as a precaution.
Major Crash investigators are conducting an examination of the scene and are appealing for anyone with information to call Crime Stoppers on 1800 333 000 or report the information online at www.crimestopperswa.com.au.
Dash-cam or mobile phone vision relating to this crash can uploaded directly to investigators via this link: https://wapf.au.evidence.com/axon/citizen/public/carvtreesevillegrove