Police have shot dead a 16-year-old boy after he stabbed a man in the back in Australia in a possible terrorist attack.

The boy called police in Perth on Saturday night to say he was going to commit violence but didn’t say where or who he was.

A man in his 30s was stabbed with a kitchen knife, with police alerted to the attack in a car park by a member of the public.

Three officers arrived and fired Tasers at the boy, but it failed to subdue him.

He was killed by a single shot when he rushed at officers.

“There are indications he had been radicalized online,” said Western Australia premier Roger Cook, adding that the attacker appeared to have acted alone.

Police Commissioner Col Blanch said members of the Muslim community had previously raised concerns about the boy.

The victim is in a serious but stable condition in hospital.

Police and intelligence agencies believe there is no ongoing threat, said Australian Prime Minister Anthony Albanese.

“We are a peace-loving nation and there is no place for violent extremism in Australia,” he wrote on X.

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The incident comes after a 16-year-old boy and six others were charged last month with terror-related offences following the stabbing of a bishop during a sermon in Sydney.

That attack came only days after a mass stabbing in the Sydney suburb of Bondi killed six people.