A man took himself to hospital with critical injuries this afternoon and later died.

A teenager has been flown to hospital with life-threatening injuries after a hit-run collision in Victoria.

Police said the 16-year-old was struck by a 4WD ute while walking across Bridge Street West in Benalla on Friday night.

Officers said the driver did not stop at the scene and left in the damaged vehicle.

READ MORE: Albanese rallies referendum case: 'We can convince our fellow Australians to vote yes'

The street was closed while the emergency services worked at the scene.

Detectives are looking for people with information and dashcam footage in order to find the driver.

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A 53-year-old man who was shot dead while walking along a Melbourne street near a popular nightlife area was associated with organised crime, police have revealed.

The shooting on Almeida Crescent in South Yarra about 11.40pm yesterday was a "targeted attack" on the man, who lived in the suburb, Crime Command Detective Superintendent Geri Porter has confirmed

Porter said the victim was with another man and had just been to the gym when a number of shots were fired at him.

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He suffered life-threatening injuries and died on the way to hospital.

Porter said the man who was with victim at the time of the shooting had since been refusing to provide police with information, and that police believed the shooting was linked to a car found torched in Rowville today.

She reassured Victorians that there were no general safety risks after the shooting and asked for anyone with information about the attack to contact police.

"This wasn't a random attack," she said.

"There are no concerns to the general community."

The area has been cordoned off by police as officers comb the crime scene for clues.

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The shooter had been on a Lime scooter before and after the incident.

A major search effort continues for the missing fisher.

The crash was reported around 2:46 pm.

It is believed the car is located on the Northcote offramp.

Prime Minister Anthony Albanese emphasised his commitment to convincing Australians to vote Yes in the Voice to parliament referendum while presenting at the country's biggest First Nations festival.

Albanese was met with loud applause as he delivered his keynote speech at the Garma Festival in Arnhem Land, where he told the crowd, "We can convince our fellow Australians to vote Yes" in the upcoming referendum.

"We can get this done together and we can get this done now, this year. Because if not ask, who? And if not now, when?" he said.

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"In this decisive moment, each of us holds an equal responsibility, and each of us has an equal opportunity. Yes, we can make history together."

An animated Albanese urged Australians to work to get others to vote in favour of the Constitutional change.

"We know that most Australians have never got out their Constitution as bedside reading, and that's why the campaign is there to be won – because what will decide that referendum is those conversations: the respectful, genuine conversations Australians have with one another, engaging as neighbours, colleagues and friends."

Albanese said his government would work to make it clear to Australians what voting 'no' would mean ahead of the referendum.

"It is more of the same. Not only rejecting the opportunity to do better, but accepting that what we have is somehow good enough," he said.

"An eight-year gap in life expectancy in the land of the fair go. The suicide rate twice as high in the lucky country. Shocking rates of disease in a nation with some of the world's best healthcare."

Earlier, Albanese told Weekend Today if Australians choose to vote no in the referendum because they don't understand the significance of the campaign, there will be no change.

"I think Australians will ask themselves, how would I feel if it was the case that if I had a daughter in childbirth, she was more likely to have issues if she was Indigenous than if she was non-Indigenous?" he said.

READ MORE: Man shot dead while walking along Melbourne street

"If I had a son, a teenage son, he is more likely to go to jail than to go to university.

"These are the sort of issues that we need to deal with."

Albanese said the Voice to parliament will lift all Australians up and close the gap for better outcomes across sectors from health to education.

He said the question that will be asked in the referendum is a simple one as Australia is the only country not to constitutionally recognise their First Peoples.

"When we look at all of the former colonies there's only one that stands out as not giving acknowledgement to First Peoples," he said.

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"And that is all it does, is recognise Indigenous Australians in our nation's founding document.

"This place wasn't empty in 1788."

He pointed out that the Voice won't only include constitutional recognition but will include an advisory body – although it will have no funding, program or veto responsibilities – the parliament will be encouraged to listen to First Nations people.

The prime minister is yet to confirm the date the referendum will be held, with speculation it will be October 14, saying it will be held in the last quarter of the year.

"I'll be announcing in coming weeks what the date is," he said.

It comes after the prime minister gave an impassioned plea at Garma Festival yesterday – a year after he revealed the government would hold a referendum on the Voice to parliament.

"There's been some suggestion that this is not the right time," Albanese said.

"I say, 122 years after Federation, half a century after the referendum in which Indigenous Australians were counted, more than a decade after extensive processes were established… if not now, when?"

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A Queensland man was fishing on K'gari Island but when something took the bait, he was shocked to pull the enormous catch out of the water.

Ryan Selvey was fishing with his friends on K'gari Island two weeks ago when something took hold of his fishing line.

He told 9news.com.au it was a bucket list goal to catch a shark but had no idea this would be the day he did.

READ MORE: Man shot dead while walking along Melbourne street

"I paddled a bait out on the surfboard around 250 to 300 metres and dropped it," he said.

A little while later Selvey felt a tug on his line and as soon as he set the drag he knew it was a big catch.

"It's the most drag I've ever put on a fish," he said.

With the help of his mates, they pulled the enormous tiger shark into knee-deep water.

"I was pretty stoked," he said.

"It's the happiest I've been with a fish in all my life.

"It was a team effort and all the boys were stoked and overjoyed."

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Selvey said the shark weighed about 400 kg and was more than three metres in length.

"It was missing tip of tail looked like a mating scar or an old attack where another shark had bitten it off," he added.

The group kept the shark in knee-deep water for about 90 seconds before dragging it back out to the ocean when it swam away "strongly".

"Heaps of people stopped to watch, there were lots of cheers," he said.

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A significant proportion of Australian homes are so inefficient to heat and cool that they are hurting our health, our household budgets, and our chance of reaching our net-zero by 2050 emissions target, a new report warns.

The report led by RMIT University found most of Australia's 10 million existing homes have poor energy and thermal performance, particularly those built prior to the introduction of energy efficiency standards in 2003, and retrofitting them could be tricky and expensive.

According to lead author Professor Priya Rajagopalan, home buyers are usually more interested in the cost, aesthetics and location of a home, rather than how well it's insulated or whether the windows are double-glazed, and it's costing us.

"Heating and cooling represent up to 50 per cent of energy used," Rajagopalan said.

"A poorly constructed building shell uses more energy to keep people warm or cool, which leads to an increase in carbon emissions and expensive power bills."

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READ MORE: Life in Australia's coldest home

Improvements may be costly initially but have a significant impact on a home's thermal efficiency.

They include:

• Installing high-performance windows
• Sealing gaps around windows and doors
• Installing curtains and blinds
• Using ceiling fans
• Insulating ceilings, walls and floors

"We need to make sure the public know thermally efficient homes have significant health, wellbeing and social benefits, as they are not talked about enough," Rajagopalan said.

More than 80 per cent of Australian homes fell below the World Health Organisation's guideline of 18C on average for the whole of winter last year, according to research published earlier this year.

Rajagopalan wants to see government roll out an affordable thermal performance assessment program and streamline the process for homeowners wherever possible.

"If somebody wants to do installation of solar there is a lot of information out there", she said.

"People will come to your home, give you a quote, give you advice on where to look for funding and if there are any finance options from state and federal governments and even apply on behalf of the householder.

"In retrofitting there is some information but the reliability and accuracy of the information varies and can be confusing for the household."

READ MORE: Improving inefficient homes will save thousands on power bills

In the last federal budget, the government allocated $1 billion to the Clean Energy Finance Corporation to provide low-cost loans to more than 110,000 homeowners to make energy efficiency upgrades.

The program is still in development.

Meanwhile, renters and those in social housing are at an even greater disadvantage.

Recently introduced minimum standards for rental homes in Victoria and the ACT, although a step in the right direction, are far from best practice in comparison to countries like France which has made it illegal to lease properties with the worst thermal performance.

"Effective policies that improve the thermal performance of over three million rental accommodations across Australia can contribute to easing the deepening housing crisis and help towards improving the quality of life of residents, majority of which are lower income population," she said.

New homes may not necessarily be as energy efficient as you would assume either.

While new building standards specify a seven-star energy efficiency rating, some states have been slow to implement the regulations and no one is checking that the final build actually produces the thermal efficiency promised on paper, Rajagopalan warned.

"The designers rely on energy rating tools or software to make sure that the designs are energy efficient and meet the minimum standards but often what is designed in the software doesn't translate into the real setting.

"It may be that the design specification may not be completely followed when the builders or the contractors are actually selecting the products and putting them together, and there could be small gaps within or around insulation, gaps around other wall penetrations and there could be air leakage due to unsealed doors and windows.

"And after the construct, nobody is actually doing a performance verification, and that's the real issue for new builds.

"We need to make builders and trades responsible for their build."

If we can find a way to improve the energy efficiency of our homes, our other home, Earth, will benefit too.

"If we just follow the business as usual, net-zero by 2050 is not going to happen and there should be an accelerated uptake with stringent policies for moving forward, targeting all aspects."

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