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Four teenagers have fronted court after an allegedly stolen car crashed and left a 15-year-old girl with life-threatening injuries.
CCTV footage captured the moment the car collided with a family's Lexus SUV at the intersection of Wonga Road and Delaneys Road in Warranwood, Melbourne at about 8.45am on Friday.
The allegedly stolen Toyota Camry appears to veer onto the wrong side of the road before ploughing into another car with a family on board.
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Police said four teenage boys fled the scene of the crash, leaving a 15-year-old girl behind.
The crash unfolded outside Thomas McLachlan's Wonga Road home in Warranwood just before 9am yesterday morning.
"(I) Just heard a lot of screeching and then a loud bang," McLachlan said.
The teen's alleged actions were "not very good. Pretty disgraceful to be honest," he said.
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McLachlan and his dad rushed to help.
"He was first aid trained, and he made sure she's alright, keeping her still till the ambos came," he said.
The teenage girl inside the Camry was taken to the Royal Children's hospital in a critical condition and had emergency surgery.
It's understood the family inside the Lexus were on their way to the tulip festival.
They weren't injured in the crash.
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McLachlan said the family were distressed, and worried about their kids.
Police arrested four teenagers nearby.
The accused driver, a 17-year-old boy, has been charged with nine offences.
A 16-year-old boy has been charged and released on bail.
Two 13-year-old boys have been released pending further investigation.
It's understood a machete was found inside the stolen Camry, which detectives say was taken from a home in Flora Hill, near Bendigo on Wednesday.
The bend where the crash took place on Wonga Road is reportedly notorious for crashes.
Locals say they want more signs put up to warn motorists to slow down.
The 15-year-old girl remains in hospital in a serious but stable condition.
