The police inquiry into Inspector Regan Tamihere has no cultural component.

A man has been Tasered and arrested in Melbourne CBD after he allegedly threatened people while wielding a pair of scissors.

Police were called to the intersection of Elizabeth and Collins streets just after 1pm to reports a man was seen "threatening the public, brandishing a pair of scissors".

Officers allegedly asked him multiple times to drop the scissors before using the Taser.

READ MORE: Four teachers assaulted during violent brawl at Melbourne school

Witnesses told 9News they also saw police chasing the man 10 minutes earlier on Queen Street.

One person, James Bath, told 9News there were a number of police on scene.

"They had mace ready and some Tasers and firearms drawn on him. He was issuing threats to the cops the whole time and then when he stood up and made them move forward, that's when they Tasered him," Bath said.

The man was treated by paramedics before being loaded into an ambulance.

Police said the 25-year-old Wangaratta man was assisting with their enquiries.

No one was injured during the incident.

Sisters sexually molested by their ultra-Orthodox Jewish principal Malka Leifer felt a wave of relief and validation as they learned their abuser would spend years more behind bars.

Leifer was jailed for 15 years on Thursday by Victorian County Court Judge Mark Gamble, after a jury convicted her of 18 charges including rape and sexual assault.

She was principal and head of religious studies at the Adass Israel School in Melbourne's inner east when she abused Dassi Erlich and Elly Sapper between 2004 and 2007.

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Leifer was ordered to serve at least 11-and-a-half years of the sentence for the offending described by the judge as insidious, callous and calculated.

But he took into account 1129 days spent in prison in Israel, while fighting her extradition, and 940 days in Australia, leaving at least six years to be served before she's eligible for parole.

Outside court, Sapper described it as a momentous day.

"Today's ruling of 15 years recognises the harm and pain that Malka Leifer caused each one of us to suffer over so many years," she said.

"Trauma from sexual abuse is a lifelong sentence and while no amount of years will ever be sufficient we are relieved that Malka Leifer is now in prison for 15 years and cannot prey on anyone else."

The sisters campaigned for years to bring Leifer to justice and Erlich said it was because they had not given up that they had the result today.

"While we know the onus of fighting for justice should not be up to survivors, this fight was never just for us," she said.

"We are showing that the voices of survivors will not and cannot be silenced no matter the obstacles."

READ MORE: Uproar after teen sentenced for screwdriver killing at birthday party

The experience was traumatic and destabilising and she didn't think she would have got through it had she not had her sisters by her side.

Leifer was acquitted by the jury of nine charges, including five against the siblings' older sister Nicole Meyer, who was in court every step of the way.

She said their expectation when it came to Leifer's sentence was so low, the result gave them immediate relief.

"Female perpetrators are so under-reported and we had nothing to base it on," she said.

"We just felt so grateful that we felt validated in that exact moment."

Judge Gamble observed in the sentence that the sisters were resilient and surprisingly optimistic, despite Sapper feeling guilt for what happened to her.

"They were completely innocent victims of the predatory behaviour of Mrs Leifer, and it is she and she alone who should feel guilty," Judge Gamble said.

Erlich said with this chapter closed, they would continue to ensure survivors had a voice.

"You are never alone, we are all behind you and we will continue to ensure that our collective voices will not be unbreakable," she said.

Adass Israel School principal and chief executive Aaron Strasser again apologised for the distress suffered by the sisters and the impact it had on their lives and families.

"(Leifer's) offending was a gross and complete breach of trust and it is our hope that today's sentencing provides a sense of justice for the survivors and helps them to heal," Strasser said in a statement.

Support is available from the National Sexual Assault, Domestic Family Violence Counselling Service at 1800RESPECT (1800 737 732).

National Sexual Abuse and Redress Support Service on 1800 211 028.

At that speed, he could cover the length of a rugby pitch in two seconds.

Roberto and Danny Jaz were jailed for more than 16 years.

Auckland Transport reroutes buses terminating at Britomart; emergency services on scene.

He will be meeting with business leaders and major organisations for trade opportunities.

Australians anticipate tax return time with an equal sense of dread and excitement for the possible refund despite the pain of paperwork, but this year's may be smaller than expected.

Lodging a tax return usually comes with the hope there will be a return as in previous years – like 2021 – there was an average return of $2800.

This year is different with smaller than anticipated returns and even some workers being slugged with a bill despite cost of living pressures being at an all-time high.

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What changed?

Two things have changed including the low and middle-income tax offset (LMITO) being cut and fewer working-from-home claims.

"The LMITO was a temporary tax offset that reduced the amount taxpayers had to pay to the ATO based on their income," supervisor at UNSW Tax and Business Advisory Clinic Helen Lam explained.

"It was designed to provide some financial relief to people with lower to middle incomes due to bracket creep.

"This tax offset applied to people who earned up to $126,000 and the offset varied based on how much you earned.

"For example, taxpayers earning between $37,000 and $90,000, the offset was $1500, which meant the amount of tax payable for the financial year for such taxpayers was reduced by $1500."

There has also been a return to the office after COVID-19 meaning there are fewer working from home claims.

"As COVID happened and more taxpayers moved to remote working from home, the ATO introduced the $0.80 'shortcut' method to cover all costs including energy use, mobile phone, internet, depreciation on furniture and computer equipment, and stationery," Lam said.

But for the 2022 to 2023 year, the tax office changed the work-from-home pricing to 0.67 cents per hour and it doesn't include furniture and computer equipment depreciation.

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The changes come as Australia moves to a post-COVID-19 world, with working from home and the LMITO tax offset introduced to boost workers during a turbulent economic period.

"As the economic landscape gradually returns to pre-pandemic norms, the impact on tax refunds becomes more pronounced, emphasising the need for individuals to proactively seek guidance to get the most of tax time," Associate Professor in the School of Accounting, Auditing and Taxation at UNSW Ann Kayis-Kumar said.

Why it might not be a bad thing?

Despite many Australians being disappointed by the smaller tax returns this year, Kayis-Kumar explained getting money back isn't necessarily a good thing.

"It means the ATO has been holding onto your money over the year," she said.

She added paying money to the ATO might not be a bad thing either.

"It means you're earning more money than most other Australians," she added.

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What to watch out for?

Lam said taxpayers need to let their private health insurance provider know if their income changes to align with the rebate – meaning monthly premiums might be higher.

If they don't, it could mean taxpayers have to pay back the rebate when they lodge the tax return.

If taxpayers work two jobs and claim the tax-free threshold on both, they might get a higher tax bill at the end of the year as the second employer hasn't withheld enough tax.

It is also important to be up to date on taxes to avoid being charges interest and penalties.

Some students and graduates with a HECS-HELP debt will get a reprieve from making compulsory repayments this financial year.

That's because the repayment threshold has been raised, as it is each year.

Last financial year, the threshold kicked in at $48,361, meaning anyone with a student loan earning above that amount was required to make repayments.

But the threshold was raised from July, and people can now earn up to $51,549 before they have to pay the money back.

The Australian Tax Office (ATO) has been sending out emails to let people with student loans know about the changes.

If you have a student loan, here is what you need to know.

What is the HECS-HELP repayment rate?

If you're earning more than $51,549, then the amount you need to pay back will depend on how much your income is.

The repayment rate is calculated as a percentage of your income and is automatically deducted by employers with each paycheck.

The repayment is different from the indexation rate, which is applied to student loans each year on June 1 by the ATO.

Indexation is calculated in line with inflation and this year was 7.1 per cent.

This year's high indexation rate caught many students off guard and meant someone with the average national student debt of  $24,770.75 had an extra $1758.72 added to their amount owing.

What's the new repayment rate?

Here are the new repayment rates, which came into effect from July:

• Below $51,550: Nil

• $51,550 — $59,518: 1.0 per cent

• $59,519 — $63,089: 2.0 per cent

• $63,090 — $66,875: 2.5 per cent

• $66,876 — $70,888: 3.0 per cent

• $70,889 — $75,140: 3.5 per cent

• $75,141 — $79,649: 4.0 per cent

• $79,650 — $84,429: 4.5 per cent

• $84,430 — $89,494: 5.0 per cent

• $89,495 — $94,865: 5.5 per cent

• $94,866 — $100,557: 6.0 per cent

• $100,558 — $106,590: 6.5 per cent

• $106,591 — $112,985: 7.0 per cent

• $112,986 — $119,764: 7.5 per cent

• $119,765 — $126,950: 8.0 per cent

• $126,951 — $134,568: 8.5 per cent

• $134,569 — $142,642: 9.0 per cent

• $142,643 — $151,200: 9.5 per cent

• $151,201 and above: 10 per cent

What's the catch?

For those people who find themselves now earning under the repayment threshold, this could be seen as good news.

However, not paying your debt off now could mean you end up paying more in the long term because of the indexation that is applied.

While inflation appears to be tracking downward, this year's hefty 7.1 per cent indexation has highlighted the potential dangers of waiting to pay off your student loan.

Jason Langhans was trying to stop two boys from fighting at a 16th birthday party when one of them turned on him.

He was hit in the head with a screwdriver and immediately collapsed to the ground as a brawl broke out.

The 17-year-old died in hospital three weeks later.

READ MORE: Sisters to learn ultra-Orthodox principal's punishment

His attacker, who cannot be named, had gatecrashed the party in Tooradin, south-east of Melbourne, that evening in March 2021.

While drinking and smoking marijuana at a house earlier, he had armed himself after a friend told him "there might be trouble".

The boy, who was also aged 17, grabbed a screwdriver.

He later drove that screwdriver almost 8cm into Jason's brain.

"I hit one guy badly," he was heard saying after leaving the party.

Justice Elizabeth Hollingworth said Jason had no chance to defend himself when he was fatally hit by the teen, as she sentenced him on Thursday.

"You were carrying a screwdriver to a party, which you were prepared to use as a weapon if there was any trouble," she said.

"Jason was not behaving aggressively and had no weapon, you hit him without warning."

Jason's supporters shouted from the Supreme Court public gallery, as they learnt the now-18-year-old killer could walk free from prison in two years.

"Please be quiet, this is not a football stadium," Hollingworth said.

"This is a courtroom if you can't behave appropriately, leave now."

The teen had suffered a traumatic upbringing, growing up around bombings in Afghanistan, fleeing to Pakistan, Indonesia and then arriving in Australia by boat, the judge said.

There was no food or water on the boat and his siblings became unconscious on the journey.

He felt like a prisoner in a cage as he then spent two months at a Christmas Island detention centre and four months in Australian detention camps before settling in Geelong.

Hollingworth took into account the teen's trauma, young age, early offers to plead guilty and vulnerability if he was placed in an adult prison, in deciding his sentence.

She handed him a maximum six-year sentence and he must serve at least four years before he will be eligible for parole.

He has already spent just over two years in prison.

The judge requested the parole board consider transferring him to the youth justice system until he is 21.