A former Special Armed Services member and friend of Ben Roberts-Smith has been accused of resisting arrest and pushing an Australian Federal Police officer.

The man, who can only be identified as Person X, gave evidence in Mr Roberts-Smith's defamation trial and was taken into custody yesterday.

9News understands he was back at his hotel when AFP officers arrived with a warrant to seize his phone. It's alleged he resisted those orders and pushed one of the officers.

The former SAS soldier is now facing two charges, including causing harm to a Commonwealth official.

He was released on a $10,000 bond and is now free to return home overseas as long as he returns to Australia for any hearing of the case.

A Kensington man has been left with serious injuries after he was allegedly assaulted at the MCG during Monday's Anzac Day AFL game.

Police are currently investigating the alleged attack on the 54-year-old man which occurred in the last quarter of the match.

The victim says he was punched about 15 times before spending the night in hospital.

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The victim says he was left injured in the toilet of the Olympic Room after the dinner attended by hundreds of people.

It's alleged the victim was attacked by two young men, after he criticised them for smoking.

"(They) just left hooked me right to the side of my face… that spun me around, instantaneously I lost vision," the victim told 9News.

"I went to put my hand on my eye just to you know, sort of hold it, thinking 'what's going on?'. And before I even got a chance, a hail of strikes to the front and back of my head repeatedly.

"I was only able to get my eye open for the first time this morning."

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Police confirmed the victim was taken to hospital with injuries from the alleged assault.

They say the exact circumstances surrounding the assault are unknown and the investigation is ongoing.

Anyone who witnessed the assault or with information is urged to contact Crime Stoppers.

Increasing crocodile numbers in the Northern Territory could be linked to wild pig populations, new research suggests.

Researchers from Charles Darwin University found Top End crocodiles have changed their diet from fish and marine life to wild pigs and buffalo in recent years, a shift biologists believe has significantly boosted crocodile numbers.

CDU Research Associate Dr Mariana Campbell said the diet change could be the reason crocodile populations bounced back so quickly after record lows in the 1970s, when only a few thousand of the predators remained.

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"We were surprised to observe such a significant shift in the diet of estuarine crocodiles across the Top End over the past 50 years," Dr Campbell said.

"Our results show that they have shifted from a marine-estuarine based diet, such as fish, marine turtles, to a more terrestrial-based diet of feral pigs and buffalo.

"A reduction in estuarine prey may have also contributed to the crocodiles' diet change."

Scientists analysed crocodile isotopes from bones in museums to the bones of crocodiles around today.

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From near extinction, the reptiles are now a protected species with over 100,000 in the wild in the Northern Territory today.

Co-author of the study, CDU Professor of Environment Hamish Campbell said increasing numbers of wild pigs had made crocodile conservation efforts "Australia's large carnivore success story".

He said the reduction of feral pig populations, one of Australia's most destructive pests, is an added bonus of the crocodile's diet change.

"The research shows that crocodile recovery is having a significant impact on both freshwater and terrestrial food webs in northern Australia," Professor Campbell said.

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Sydney researchers are testing a key ingredient in magic mushrooms as an alternative to antidepressants.

Macquarie University is running a clinical trial using a low-dose formulation of synthetic psilocybin, the active ingredient in magic mushrooms, as a possible treatment for depression. 

Senior Research Fellow Dr Vince Polito said up to "50 per cent of people don't really get a mood benefit from traditional antidepressants".

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This has sparked new clinical trials into alternative treatments.

"There's fairly compelling evidence of research with psilocybin in high doses combined with psychotherapy that this can have a long-lasting antidepressant effect," Dr Polito said.

What makes this trial unique is that patients will only receive a fifth of the dose used in previous studies.

"People aren't going to be having hallucinations, they're not going to be having any dramatic shift in consciousness so we want to see at these low doses, an antidepressant effect," Dr Polito said. 

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The clinical trial will involve 266 adults over the age of 18 who experience moderate depression.

The participants will be divided into two groups. One will receive two small doses of synthetic psilocybin in capsule form each week for six weeks, and the second will receive a placebo.

Patients will then undergo a range of tests including brain scans, regular psychological assessments and blood tests.

The new clinical trial has been welcomed by 31-year-old Danny Brock Phillips, who suffers from depression.

"I know a lot of people unfortunately who suffer from it… so research is absolutely, definitely needed more," Mr Brock Phillips said.

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Depression affects at least one in seven Australians and for Mr Brock Phillips it has been debilitating.

"Usually a heavy feeling on your chest as if you don't want to get out of bed, life just don't feel worth it," Mr Brock Phillips said.

"Being on medication can help sometimes."

Recruitment of volunteers will start later this year through doctor referrals.

Police believe they have found the body of a young fisherman who was swept off rocks while fishing south of Sydney earlier this week.

NSW Police confirmed what's believed to be the body of 19-year-old Brenden Hurd was located today in the water near Hill 60 Headland, Port Kembla.

"Just before 1pm, a man's body was located in waters nearby from where the missing man was last seen," NSW Police said in a statement.

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"While the body is yet to be formally identified, it is believed to be that of the missing 19-year-old man."

A report will be prepared for the Coroner.

Mr Hurd had been fishing with friends at Hill 60 when he was knocked by a large wave into the water on Monday afternoon.

His friends had jumped into the water to try to rescue him before needing to be pulled out themselves.

"It just keeps replaying over and over in my head," Chase Barbaric, his friend, said.

"It wasn't our fault, it was mother nature."

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Emergency services searched relentlessly for Mr Hurd since he went missing.

Multiple emergency service agencies pooled resources in an attempt to find him including using boats, drones and helicopters.

Surf Life Saving officials said the popular fishing spot is notoriously dangerous.

"It has been notorious over the last two years, there have been multiple deaths in this location," Surf Life Saving Illawarra's Anthony Turner said.

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In 2021, five people died fishing from the rock at Hill 60 in a period of just one month.

NSW Police Superintendent Craig Ireland has urged anyone venturing to the area or rock fishing to undertake all safety precautions.

"We urge people to take all necessary precautions, wear lifejackets, don't fish alone and don't fish at night," he said.

A 21-year-old man was held at knifepoint during a carjacking at the North Haven Shopping Centre in Adelaide overnight before three teens fled with his vehicle.

Victim Deklan Norton said he was ambushed by the trio just after 7pm at the centre on Osborne Street and gave up his car so he did not get stabbed.

"Guys started running at my car, tried to yank the door open, I tried to hold it closed but the trim came apart," Mr Norton said.

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"He managed to get the door open, told me to get out of the car, dropped the keys and he had a knife, I complied, dropped the keys."

At about 11.30pm, officers spotted the stolen Mitsubishi Lancer travelling north on Morphett Road at Novar Gardens when they began their pursuit.

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The chase finally came to a grinding halt when the car's tyres were spiked on South Road at West Hindmarsh, bringing to an end an almost five-hour-long ordeal.

Heavily armed police surrounded a 17-year-old and 15-year-old, who were each arrested and charged with aggravated robbery. The third suspect managed to escape, and is still on the run.

The driver of the stolen vehicle was charged with dangerous driving to escape police pursuit.

Both the teens were refused bail and set to appear before the Adelaide Youth Court.

An Auckland liquor store owner who has endured four burglaries and a ram-raid since November is now sleeping in his shop to deter thieves. It comes after several brazen ram-raids have occurred this week, including the highly publicised…

A senior federal government minister has suggested China deliberately timed its controversial security agreement with the Solomon Islands to coincide with Australia's federal election.

The deal, which was signed last week, could see China establish a military presence in the South Pacific island nation.

Speaking on Brisbane radio station 4BC this morning, Home Affairs Minister Karen Andrews implied the timing of the pact amounted to "political interference" from Beijing.

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"I think the one thing we should be at least taking notice of and paying attention to is the timing of the announcement from deals in relation to Solomon Islands," she said.

"(Beijing) is clearly very aware we are in a federal election campaign at the moment.

"Why now? Why right in the middle of a federal government election campaign is all this coming to light?

"We talk about political interference and that can take many forms."

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The comments were quickly criticised by Labor. Shadow Defence Minister Brendan O'Connor said the statement showed Ms Andrews is out of her depth, saying her claims were "conspiratorial fantasy".

"Home Affairs Minister Karen Andrews is so out of depth in her security portfolio she's embarking on flights of conspiratorial fantasy," he wrote on Twitter.

"The Government won't accept they have presided over one of the worst policy failures in the Pacific since World War II."

https://omny.fm/shows/4bc-breakfast-with-neil-breen/warnings-china-is-very-likely-to-deploy-troops-to/embed

A draft of the Solomons and China pact, which was leaked online last week and is believed to be very close to the final, signed version of the agreement, said Chinese warships could stop in the Solomons and China could send police and armed forces there "to assist in maintaining social order".

Ms Andrews claimed it was "likely" that China would deploy troops to the Solomon Islands in the next year.

"I think it's very likely that they will proceed down that path," Ms Andrews said.

"It's likely that will be the path China will be taking in the Pacific region."