Major Crash officers are investigating a fatal crash whichoccurred in Secret Harbour on Friday 6 October, 2017 at approximately 7.30 pm, WA Police say.
The crash occurred when a silver Toyota Supra Sedan wastravelling east on Secret Harbour Boulevard and crashed into a tree.
A 16 year old male (rear passenger) received seriousinjuries and was conveyed by ambulance to Royal Perth Hospital.
A 16 year old male (rear passenger) and a 17 year old male(front passenger) both received fatal injuries as a result of the crash.
The 19 year old male driver of the vehicle was conveyed to Royal Perth Hospital and is in a serious but stable condition.
Major Crash investigators are seeking anyone who may haveseen the vehicle driving in the Secret Harbour area prior to the crash to call Crime Stoppers.