Sky News has confirmed Prime Minister Anthony Albanese was only briefed on the Dural caravan terror plot eight days after the initial discovery.

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A trailer packed with explosives and a list of apparent Jewish targets was found hidden in an Australian suburb last week, police revealed Wednesday — in what they described as a thwarted

A man claiming to own the Dural property linked to a counterterrorism investigation says police broke down the front door and handcuffed his tenant.

The pair are allegedly connected to the caravan filled with explosives believed to have a potential blast zone of 40 metres, and considered to be on the periphery of a broader antisemitism terror investigation.

Sydney’s Jewish community may have been the target of a “mass-casualty event” with the discovery of explosives in a Dural caravan. Follow for live updates.

Australian police believe explosives found on Sydney’s outskirts were evidence of a deadly escalation in a campaign of antisemitic arson and graffiti crimes that has been waged in major cities for months.

The Australian Security Intelligence Organisation says it anticipated spikes in politically motivated violence months before a caravan laced with explosives, intended for Jewish targets in Sydney, was discovered by the side of the road 10 days ago.

Australia's Prime Minister Anthony Albanese has agreed with police assertion that a caravan full of explosives in Sydney was an act of terrorism.

Australian authorities say they’ve foiled a potential “mass casualty” attack with the discovery of a trailer packed with explosives in northwest Sydney, and “an indication” it was to be used against targets in the Jewish community following a spate of antisemitic incidents.

Australian police said on Wednesday they had foiled a planned antisemitic attack after discovering a caravan containing explosives, in an escalation of threats against the Jewish community that authorities called terrorism.

Israel urged Australia to do more to halt an "epidemic of antisemitism" in the country as Prime Minister Anthony Albanese said his government was doing all it could to combat attacks that he says include domestic terrorism.