Summarize this content to 2000 words in 6 paragraphs Major crash investigators are calling for information following a serious head on collision involving two cars in Perth’s east on Christmas Day.WA Police said around 4.15pm, a grey Toyota Corolla hatchback and a silver Hyundai Santa Fe station wagon, collided on Great Eastern Highway, near Old York Road in Greenmount when a vehicle crossed over to the wrong side of the busy highway.Two women (45 and 48), each a passenger in one of the vehicles, were taken by ambulance to Royal Perth Hospital with critical injuries.The 48-year-old male driver, and two other passengers (17 and 10) of the Hyundai Santa Fe, were conveyed to hospital with serious injuries. The 46-year-old male driver of the Toyota Corolla sustained minor injuries.Firefighters used the jaws of life to pry people from the wreckage. One passenger was trapped for more than an hour with rescue workers cutting the roof open to free them.The highway eastbound was closed until late in the evening. It is now reopen.Major Crash investigators are urging anyone who saw the crash, or sighted the grey Toyota Corolla hatchback or the silvery Hyundai Santa Fe travelling in the area prior to the crash, or who has any information relating to this crash, to contact Crime Stoppers on 1800 333 000 or at www.crimestopperswa.com.au.Five fatal crashes marked a grim start to Western Australia’s Christmas holiday break.A crash in Margaret River on Thursday, December 19 claimed the life of a 74-year-old man after his Kia Optima left the road and hit a tree on Walcliffe Road about 5.35pm. Later that night, a Mazda 626 hit a tree on Alexander Drive in Landsdale, in Perth’s north-east. The driver, a 24-year-old man, died at the scene.
