A mass killing by a British teen who fatally stabbed three little girls and seriously injured 10 other people at a Taylor Swift-themed dance class in 2024 "could and should have been prevented" if his parents and state agencies had acted as his well-known fixation on violence escalated, according to a report.

Adrian Fulford, a retired judge who led a nine-week inquiry, issued a 763-page report on Monday that catalogued the many times parents or authorities could have intervened in Axel Rudakubana's life to ultimately prevent him from carrying out killings that he said were unprecedented in the UK for their "extreme and very particular depravity".

"One of the most striking conclusions from this inquiry's extensive investigation is the sheer number of missed opportunities more than many years to intervene meaningfully, which directly contributed to the failure to avert this disaster," Fulford said.

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"The consequences were catastrophic."

Rudakubana, who was 17 when he carried the attack in north-western England, is serving a life sentence with no chance of parole for 52 years for killing Alice Da Silva Aguiar, 9, Elsie Dot Stancombe, 7, and Bebe King, 6, and wounding eight children and two adults.

The attack in the town of Southport shocked the country and triggered days of disorder after far-right activists seized on incorrect reports that the attacker was a Muslim migrant who had recently arrived in the UK. Rudakubana was born in Wales to Rwandan Christian parents.

The report made 67 recommendations to prevent future atrocities and British Prime Minister Keir Starmer promised changes to correct the "systematic failures that led to this terrible event".

"The report today is truly harrowing and profoundly disturbing," Starmer said.

"While nothing will ever bring these three little girls back, I'm determined to make the fundamental changes needed to keep the public safe."

Police, social workers and educators were well aware of problems with Rudakubana.

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At age 13, he was convicted in 2019 of assaulting another child at school with a hockey stick and placed under supervision of a local service for youth offenders.

He was referred to the government's anti-extremism program, Prevent, three times between 2019 and 2021 for expressing interest in school shootings, the 2017 London Bridge terror attack, the Irish Republican Army and the Middle East. Each time, the case was closed because he was not considered susceptible to becoming a terrorist.

During that same period, local police were called to his home five times more than unspecified concerns about his behaviour. He was given mental health and educational support, but later appeared to have stopped engaging with social workers. He was expelled after bringing a knife to school and hardly ever showed up at a subsequent school.

Fulford highlighted an incident two years before the rampage when Rudakubana was caught on a bus with a knife in March 2022 and told police he wanted to stab someone and admitted trying to make poison.

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Taken together, they should have sparked an arrest that would likely have led to a search of his house that would have discovered he had bought seeds to make the biological toxin ricin and downloaded terrorist material on his computer, Fulford said.

But he was not arrested and was released to his parents, who feared him and repeatedly failed to report the various knives he had purchased, his troubling behaviour and threats he had made.

After the July 29, 2024 rampage, police searched his home and discovered ricin and a document described as an al-Qaeda training manual.

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A Queensland tradie who smashed the windows of his own car in a bid to stop thieves from stealing the vehicle has been bailed after spending the weekend in jail.

Asmir Dzambic spent two days locked up on dangerous driving charges after taking the law into his own hands to stop a thief behind the wheel of his car.

CCTV footage shows Dzambic taking to the windscreen of his company's ute with a baseball bat after thieves returned days after stealing his car keys.

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The court heard tens of thousands of dollars worth of tools, as well as keys to other company cars, were stolen from Dzambic's demolition business on Tuesday.

He reported it to police, and fearing the thief would return, planted tracking devices in his vehicles.

So when the crook came back two nights later, Dzambic was waiting.

Dzambic's lawyer was today visibly furious, telling the court his client wasn't wearing a black bat suit but perhaps if he was, he wouldn't be the only one behind bars.

The car thief remains on the run.

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Australians are moving back in with family – or even ex-partners – as soaring costs make solo living too expensive.

New research from comparison website Finder reveals 4.1 million Aussies have turned to shared living arrangements to ease financial pressure, with some even rekindling old domestic setups in the process.

A survey of more than 1000 people found nearly one in five (19 per cent) have either moved in with others or delayed moving out purely to save money.

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About 10 per cent of respondents said they had returned to – or never left – the family home, leaning on parents or grandparents as a financial cushion.

Others have turned to siblings or friends to split the bills, while 3 per cent admit they've had to move back in with an ex-partner.

Finder personal finance expert Taylor Blackburn said the trend reflects a growing reality where independence is becoming harder to afford.

"Between soaring rents, rising interest rates and general cost-of-living pressures, the ability to live alone is slipping out of reach for many," Blackburn said.

The data shows younger Australians are bearing the brunt, with almost four in 10 Gen Z respondents (39 per cent) having entered or stayed in shared living arrangements for financial reasons in the past year.

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According to Blackburn, what was once seen as a temporary compromise is fast becoming the default.

"Unconventional living arrangements are becoming the norm as people prioritise affordability over comfort," he said.

He's urged Aussies to build a financial buffer wherever possible, warning that a lack of savings can quickly limit options when unexpected costs hit.

"Maintaining even a modest emergency fund can be the difference between staying in control and being forced into living situations you never imagined," he said.

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