The Queensland government is considering whether to appeal the sentence handed to the Brisbane teen who killed pregnant couple Kate Leadbetter and Matthew Field last year.

The victim's family and politicians from both Labor and the opposition voiced concerns the 18-year-old, who can't be identified for legal reasons, was not delivered a harsh enough sentence.

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The teenager, who was 17-years-old at the time of the crash was sentenced to 10 years in prison, out on parole in six years.

The teen was found guilty of driving a stolen vehicle while drunk and on drugs before running a red light, hitting a truck and slamming into the young couple, who were out walking their dogs in Alexandra Hills.

The teenager sped off after the incident while Leadbetter, Field and their unborn child were instantly killed.

The judge said the sentence was delivered due to the teenagers past history with drugs and alcohol, his troubled background and remorse expressed after the incident.

Deputy premier Steven Miles acknowledged there was anger surrounding the teen's sentencing.

"I do (acknowledge) and I understand it," he said.

"I don't want to get in to commentating on the judgment itself.

"The (attorney-general) will get that advice and she'll have something to say about it I'm sure."

The state opposition joined the victims' families in calling for an appeal towards a stiffer sentence.

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https://twitter.com/donbrownmp/status/1534680721365020672

"To give justice to the family and to act as a deterrent for future young offenders," opposition leader David Crisafulli said.

"There must be consequences for actions."

Labor MP Don Brown also called for an appeal on the court's decision.

"I will be today writing to the AG and Premier asking them to appeal the court's decision.

"Matty, Kate and Miles deserve nothing less than full justice."

Legal guidance on the case is expected to be back next week.

9News has been told the government will only appeal the sentence if the advice from attorneys indicates a reasonable chance of winning the case.

Criminal lawyer Bill Potts said he believes there's a chance the sentence could be increased.

A man has been arrested over an alleged one-punch attack, which left another man in a serious condition, in Sydney's east.

It's alleged the 24-year-old who had been playing the pokies earlier in the night then struck a 23-year-old man outside the Matraville Hotel around 1.30am this morning.

Paramedics were called to the scene and the man was taken to Prince of Wales Hospital with a suspected fractured jaw.

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The 23-year-old is now undergoing surgery with fears of permanent brain damage.

Detective Acting Inspector Michael Capon said the alleged attack was "unprovoked" but that the two men had had a disagreement earlier in the night.

"We have information that there was a confrontation earlier in that evening between two males within a licensed premise," he said.

"And then there was a later confrontation out on the street on Bunnerong Road that morning."

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Capon said the man appears to have suffered injuries from being punched and then hitting the footpath.

"These one-punch style hits are extremely dangerous to the victims involved," he said.

The 24-year-old was arrested at a home in Maroubra this afternoon.

He was taken to Maroubra Police Station where charges are expected to be laid.

Sensational claims have been made at the murder trial of Chris Dawson, as his identical twin Paul points the finger at his brother's schoolgirl lover.

Paul Dawson gave evidence for a second day from Tweed Heads where he described his brother as the least violent man he's ever met.

A secret phone tap of the twins from 1999 was played to the Supreme Court after Paul had been grilled by detectives over the disappearance of his sister-in-law Lynette.

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"He implied that something has happened to Lyn and that you had the motive," Paul said in the phone call.

"They think something has happened to Lyn and I had the motive and they are going to search the property and do sorts of things. Oh well, good luck to them," Chris replied.

"If anyone had the motive, (JC) had more motive," Paul said.

"JC", as she has been identified in court proceedings, was the family's babysitter before she began an affair with Chris Dawson and later became his second wife.

The Crown alleges Chris Dawson killed Lynette so he could have an "unfettered relationship" with his schoolgirl lover.

But Paul doubled down on his stunning accusation under questioning by Crown prosecutor Craig Everson, SC.

"If Lyn had been murdered, JC had the motive, JC had more to gain and JC did gain more than Chris ever gained from their relationship," Paul told the court.

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The twin also remembered a conversation with now-dead family friend Elva McBay who told him Lynette had been threatened at a birthday party.

"JC just said if she got in her way… she'd get rid of her," Paul claimed McBay said.

The court also heard a conversation on the phone tap where the twins speak about where Lynette could be.

"Either Lyn's somewhere with a whole new life," Paul said on the recording.

"Yeah," Chris responded.

"Or something happened, I mean," Paul said.

"I know," Chris said.

"She could be anywhere," Paul said.

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Paul said he has been keeping a close eye on media reports of his twin's trial and has described allegations of violence by Chris as "most outrageous".

He said in the 17 years his brother and Lynette were together he never even heard a derogatory comment.

The trial continues.

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A two-year-old Queensland boy has died with influenza A, currently the dominant flu strain across Australia.

9News understands the young boy was admitted to hospital in Gladstone, central Queensland, where he passed away.

The child is the first to die from the virus in Queensland this flu season and the fourth child in Australia this year.

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It is unclear if the boy was vaccinated against the flu.

The death has prompted another reminder from health experts for all Queensland residents to get their flu jab.

Flu vaccines remain free in Queensland until June 30 and are eligible for everyone over six months old from their GP or local pharmacy.

Influenza A is confirmed to particularly impact young people up to 39 years of age, the chronically sick and elderly.

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The advice comes as the Australian Technical Advisory Group for Immunisation issues new recommendations on COVID-19 booster shots.

Teenagers aged 12 to 15 who are severely immunocompromised, have health conditions or have a disability are urged to get a COVID-19 booster if it has been three or four months since their last shot.

Healthy 12 to 15-year-olds do not require a booster shot.

Holding a long pole with a curved knife attached, young Gamay ranger David Johnson leans over an inflatable boat battered by wind and waves. In one precise movement he dips the unwieldy implement underwater and back into the air.

The boat he's in starts drifting away from the tangle of buoys and ropes he's just cut in the middle of Pittwater, north of Sydney .

The mission, which took place today, was part of NSW national park's annual training to free tangled whales from discarded fishing gear and other debris.

Twenty-one wetsuit-clad crew armed with poles and knives navigated the marine estuary in inflatable boats playing out various scenarios with a fake whale tail.

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Among them were three young Gamay Rangers, the first urban Indigenous Ranger group based out of Botany Bay.

It comes as a population of humpback whales, estimated to be around 40,000 strong, begin their migration north to warmer waters.

While today's training went off without a hitch, in reality freeing a whale is extremely dangerous work.

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Natasha Funke, a ranger with Ku-ring-gai Chase National Park served as team leader.

She told 9news.com.au she's been charged by a protective mother whale once; that's just one of the risks faced when working on the open ocean with colossal animals.

"We have to always look out for other whales, and animals, who may think we're a threat," she said.

"I've been involved once where the mother did charge us and you feel very small in a little boat with a huge animal coming at you.

"We have to always watch their behaviour, different things like tail slapping, or trumpeting we have to be really careful of."

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An injured or sick whale can also be followed by sharks.

For these reasons rangers do not enter the water when freeing one, instead performing a delicate rescue from an inflatable boat.

Under NSW law it is illegal for members of the public to try and rescue an entangled whale. Instead they're urged to contact NSW National Parks or ORCAA.

Last year NSW National Parks were involved with five successful rescues – and with more funding for training recently announced by the Minister for Environment James Griffin it's hoped this number will increase.

"This training plays a significant role in protecting and conserving our marine wildlife," Griffin said.

"Through the NSW Budget, we're committing more than $180 million funding to continue supporting projects like this one through the Marine Estate Management Strategy.

"It's important to ensure our marine environment is supported and sustainable for generations to come."

One group that hopes to have more involvement in rescues down the line are the Gamay rangers.

Senior ranger Robert Cooley told 9news.com.au it was their first time participating in the training and it was years in the making.

"We feel today we've reached our Everest," he said.

"Marine mammals are so special to us more, specifically the humpback whale, which is our ancestral being, commonly known as our totem.

"We really want to be at the coal front and help these animals".

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