A shopkeeper has been hospitalised after being hit on the head with a hammer in a broad daylight jewellery heist that spanned two stores across Melbourne.

Three offenders armed with hammers and bats entered Official Berwick Jewellers on High Street in Berwick about 12pm today.

The thieves, wearing black hoods, masks and hi-vis shirts, smashed glass cabinets and swept jewellery into bags while a female shopkeeper watched on in horror.

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"I was sitting behind the counter and suddenly three people, they came in, and started to break all the windows," shop attendant Basima Goga said.

"They took some stuff, we tried to defend ourselves, but to be honest, it was very, very scary."

A male shopkeeper confronted them and tried to push them out of the store, and he was assaulted as they continued their rampage.

The trio raced out of the store when the male shopkeeper picked up a wrench and ran towards them.

The three males fled the scene in a waiting Toyota Kluger driven by a fourth male.

The male shopkeeper, aged in his 50s, was treated at the scene for upper body injuries and taken to hospital in a stable condition.

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"For his age, it was bad to be honest. It was bad because they took him to emergency now to do CT scan for him as hammer into his head and hand," Goga said.

Police believe the same group then drove across the city to a jewellery store on The Circle in Altona North, where the same stolen Kluger was rammed into the shop's roller door.

They were unable to gain access to the store and fled empty-handed.

Crime scenes have been set up at each of the shops while detectives investigate.

The thieves remain on the run.

Anyone who witnessed the incident, with CCTV/dashcam footage or any information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au

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The legislation is expected to be passed through the House under urgency.

Resident says they complained at least four times about roaming dogs in the area.

A man is in custody after one person was killed and two others critically injured in what police believe was a random stabbing attack at a busy shopping strip in western Sydney.

The alleged attack began inside a Nepalese mini mart on Merrylands Road in Merrylands about 10am, where two people were attacked, then spilled out onto the footpath, where a third person was stabbed and died.

The three victims are not believed to be known to one another and police are treating the attack as "random", Superintendent Simon Glasser confirmed.

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"It's a horrible offence to have taken place in Merrylands just prior to lunch time – there were lots of people around," Glasser said.

"It was obviously very confronting for anyone who was in the area."

Glasser said police were at the scene "within a minute or two" of the attack and began locking down the street.

They have since established a crime scene spanning 50 metres along the street.

The alleged attacker was found in the backyard of a property on nearby Smythe Street, where he was arrested.

Police and paramedics treated three people, but one man, aged in his 30s, was pronounced dead at the scene.

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Two others – a 22-year-old man and a 47-year-old woman – were taken to Westmead Hospital in a critical condition.

9News understands the man was stabbed in the neck and is now in a serious condition, while the woman was stabbed in the chest and abdomen and is still in a critical condition.

The person who died is yet to be formally identified.

Police have been searching the front yard and driveway of a home.

Glasser said police had found a knife "similar to a kitchen knife, approximately 20 to 30cm in length" but it had not been confirmed that this was the weapon used.

The 25-year-old suspect was taken to Granville Police Station and is expected to appear in court later today.

The Merrylands local is known to police for petty crime and a number of mental health incidents.

If you or someone you know is in need of support contact Lifeline on 13 11 14 or Beyond Blue. In the event of an emergency dial Triple Zero (000).

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Police allege the Dunedin victim sent over $517,000 across 18 years.

The assault happened near Ti Rakau Park between 8.30pm and 9.15pm on Sunday.

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Coles has defended its "down down" discount campaign, saying grocery shoppers understand they represent "fair dinkum" price reductions.

The retail giant today told the Federal Court the public would accept the promotions as price drops, accusing the consumer watchdog of attributing "sophisticated thought processes" to ordinary customers.

In the second day of a high-profile trial, Coles lawyers said its "down down" prices were genuine discounts offered to shoppers after an increase in wholesale costs charged by suppliers during a post-COVID inflation surge in 2022 and 2023.

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Coles is fighting claims by the Australian Competition and Consumer Commission that it misled customers by artificially increasing prices before reducing them and claiming shoppers were getting a discount.

The grocery chain's barrister, John Sheahan KC, said there were two critical questions in the case: what the price tickets conveyed to consumers and were they misleading.

"The ordinary, reasonable consumer would not be concerned with the relative duration of the 'was' price in the past," he said.

"What they would be concerned with when they're walking down the aisle trying to work out what to buy today for their shopping is whether the claimed discount was … fair dinkum.

"So long as the 'was' price is a genuine price, not contrived or ephemeral, then the consumer's interest is appropriately satisfied."

Sheahan accepted Justice Michael O'Bryan's proposition that an ordinary consumer would consider the "down down" campaign to be a promotion.

"I think I can take this as general knowledge, that as you walk down an aisle in a supermarket, and you see different coloured labels, and the fact that a label hangs out lower … it's a discount of some kind," Justice O'Bryan said.

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Sheahan said the ACCC's case was "too complex to credibly attribute to an ordinary, reasonable consumer walking down an aisle of Coles".

It was a genuinely unusual feature of the case that the regulator was attributing "sophisticated thought processes to the ordinary, reasonable consumer", he added.

"Normally, it's the advertiser says, 'oh, well, you know, the consumer could see through that, they take this into account, they'd understand.' But this is the other way around.

"There are layers and layers of indeterminacy in what they attribute to the ordinary, reasonable consumers' understanding of this very simple ticket."

Justice O'Bryan said it seemed the task for the court was to simply to conclude what was conveyed and if it was misleading.

Sheahan said grocery prices often fluctuated, particularly during periods of high inflation, such as 2022 and 2023.

"In the end all prices are temporary – nothing lasts forever," he said.

The case continues.

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The mother has denied all charges in the ‘complex medical case’.

A magistrate has lifted a suppression order on the identity of a man accused of throwing a homemade bomb into an Invasion Day rally crowd in a terror act.

Liam Alexander Hall, 31, has been charged with engaging in a terrorist act over the incident in Perth on January 26.

Thousands of people were evacuated from Forrest Place in Perth's city centre after police found an object containing volatile chemicals, nails and metal ball bearings.

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Police allege Hall threw the explosive device from a walkway above the crowd of Indigenous people, families and supporters.

The device did not detonate despite a fuse allegedly being lit.

The incident has been declared an act of terror – the first in Western Australia's history – with the case returning to court today.

Hall did not appear and the matter was adjourned to March 31 after a Commonwealth charge of engaging in a terrorist act was added to two state charges.

Magistrate Lynette Dias later lifted a suppression order on Hall's identity after hearing submissions from a commonwealth prosecutor and lawyers for various media outlets.

If Hall is found guilty of the terrorism offence, he faces life behind bars.

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He is yet to enter pleas to any of the charges, which also include an unlawful act or omission with intent to harm and making or possessing explosives under suspicious circumstances.

Police will allege the incident was a nationalist and racially motivated attack targeting First Nations people at the protest.

The man was self-radicalised and acted alone, police previously said.

He had allegedly accessed "bomb making instructions" and "pro-white male" material online, and was "accessing and participating in the ideology".

The incident has left First Nations Australians fearful and angry, as they come to terms with the allegedly targeted attack.

Indigenous groups have criticised authorities for not immediately declaring it a terrorist act amid cries of double standards and racism.

Police defended the nine-day delay, saying investigators needed to gather evidence on the alleged bomber's motivation and ideology so it could be legally proved in court.

For 24/7 crisis support run by Aboriginal and Torres Strait Islander people, contact 13YARN (13 92 76).

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