A PREGNANT mum and her unborn baby have tragically died after she was smashed in the head with a piece of concrete in a shocking unprovoked attack.
Dianne Miller, 30, was at the car park of Waterford Plaza Shopping Centre in Perth, Australia with her partner when she was attacked.
It is believed the pair got involved in an argument with a group of teenagers.
A teenager is said to have thrown a piece of concrete at the car, leaving the mum unconscious and causing her a heart attack, police allege.
A 17-year-old boy has been charged with grievous bodily harm and remanded in custody.
She was rushed to the hospital but doctors said she and her baby were not expected to survive the injuries.
Despite efforts from onlookers and paramedics, the mum’s injuries were severe.
Diane, who was five months pregnant, had been fighting for her life at the Royal Perth Hospital but sadly could not be saved.
The woman leaves behind her partner and an 8-month-old son Lloyd.
Her brother Malcolm Clifton confirmed her death to NITV News.
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Speaking from the hospital, he said: “Everyone’s destroyed.
“We just lost our world… the baby passed away too.”
The mum’s devastated brother described his sister as “one of a kind, kind to everybody, good-hearted, with good morals and well-respected.”
Cops described the incident as “senseless” and “unprovoked”.
Inspector Brett Baddock of the Cannington District Office told 7News: “From what we can gather, the woman was a passenger in a car that was stopped in the car park.
“Her partner then became involved in the scuffle … The parties were not known to each other.
“This is, quite simply, senseless violence by a bunch of teenagers.
“From what we can gather, it’s unprovoked. I think they’ve gone out looking for trouble and they’ve found it.”
The woman’s family was told to prepare for the worst as she was unlikely to survive.
Her brother previously said: “Her brain is swollen, it’s swollen too much.
“They’re going to keep monitoring her brain, if it keeps swelling it’s going to stop the blood going to her brain.
“She’s going to end up brain-dead and once that happens, she’ll be dead and the baby will die.
“The baby’s too young to come out.”
West Australian Premier Mark McGowan branded the attack as “tragic” and “beyond description.”
He said: “It’s one of those things that is just beyond description that this could happen to someone.
“It’s all very tragic, very very tragic, and I think the family are obviously going through a very difficult period.”
The 17-year-old who appeared in the Perth Children’s Court yesterday is due to appear in court again on December 9.
WA Police have launched a homicide investigation.