Friends and family have paid tribute to an "extremely loveable" victim of the Hunter Valley bus crash at an emotional funeral in Sydney's north.

Zach Bray, 29, was among the 10 wedding guests killed in the horror bus rollover following a reception at Wandin Valley Estate on June 11.

Today, dozens gathered at Macquarie Park to pay their tributes and respects to Bray.

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"My eyes will never dry until we meet and laugh and love again and plan our next adventure into the wide blue skies," his father Adam said during the service.

Bray's love of flying was noted throughout the service.

It was the young man's happy place he shared with loved ones by taking them on joy flights.

"You even taught me to fly up there and gave me wings, you've grown your wings now," Bray's girlfriend Georgia Copeland-Proctor said.

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Bray was remembered for his infectious zest for life after beating bowel cancer earlier in his 20s.

"The last time we spoke was the day before you left this earth and I can still hear the happiness in your voice and picture the huge smile on your face whilst you talked excitedly about Mitch and Maddie's wedding," Bray's mother Jacqui Varasdi said.

Mourners found strength in Bray's ever-happy attitude – including his friend Mitch Gaffney, the groom at the centre of the wedding tragedy, who spoke to honour his Singleton Roosters teammate.

"He became affectionately known as the labrador, or lab, as they're affectionate dogs, they're extremely loveable but no matter what they do, they do it with that big goofy smile," Gaffney said.

"Although you will never get to pull the jersey on again, you'll always be there by our side."

Many of the mourners will farewell more of their friends in the coming days with more funerals for those who died in the crash.

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Four people have been killed and two children – aged two and 13 – injured in a mass shooting in the US city of Philadelphia, police said.

A suspect was apprehended with an AR-style rifle, a handgun, a bulletproof vest, multiple ammunition magazines in the vest, and a scanner after the shooting that spanned several blocks in or around the Kingsessing neighbourhood, Philadelphia Police Commissioner Danielle M. Outlaw said.

A second person – who may have picked up someone's gun and returned fire – also was in custody, Outlaw said.

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Three of the four killed ranged in age from 20 to 59, police said.

The age of the fourth wasn't immediately available.

Outlaw described the conditions of the wounded children as stable.

Investigators don't immediately know what led to the shooting, police said.

About 50 spent shell casings litter the shooting scenes, Outlaw said.

Earlier, police said eight people had been injured.

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At least 339 mass shootings have happened in the US so far this year, according to the Gun Violence Archive.

The archive, like CNN, defines a mass shooting as one in which four or more people are shot, not including the shooter.

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The Reserve Bank of Australia (RBA) has left interest rates on hold at 4.1 per cent, but has warned that more hikes will be needed to contain inflation.

RBA Governor Philip Lowe cited falling inflation and lagging productivity as large drivers of this month's decision to hold the cash rate steady, as well as a preference to see more economic data before changing the base rate.

This is just the second meeting since May 2022 in which the RBA has decided to keep interest rates on hold.

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In his monetary statement, Lowe said it was likely that more hikes would be needed to bring inflation down to the target band of under 3 per cent.

"Some further tightening of monetary policy may be required to ensure that inflation returns to target in a reasonable timeframe, but that will depend upon how the economy and inflation evolve," Lowe said.

"The decision to hold interest rates steady this month provides the Board with more time to assess the state of the economy and the economic outlook and associated risks.

"In making its decisions, the Board will continue to pay close attention to developments in the global economy, trends in household spending, and the forecasts for inflation and the labour market. The Board remains resolute in its determination to return inflation to target and will do what is necessary to achieve that."

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Currently inflation is still tracking at a quarterly-posted level of 7 per cent.

Graham Cooke, head of consumer research at Finder, said this month's monetary decision was a genuine coin toss.

"The latest inflation figures made a strong case for the RBA to pause its series of rate hikes," Cooke said.

"However, the RBA repeatedly states that its intention is to get inflation all the way to the target rate of 2-3 per cent and we aren't there yet.

"While homeowners have been given a break this month, they should buckle up for further hikes this year."

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Senior economist at PropTrack Paul Ryan said property prices remained stubbornly high despite 12 previous interest rate hikes in 15 months.

"So far, the housing market has shown remarkable resilience to sharply higher interest rates," he said.

"Despite rates now at levels not seen since 2012, home prices increased further in June, and are up 2.3 per cent over 2023 so far.

"Forward indicators point to further home price growth in the months ahead.

"But continued higher interest rates remain a risk for the housing market.

"At some point, eroded borrowing capacities and weaker economic conditions brought about by higher interest rates may lead to price falls, as seen in 2022."

Josh Gilbert, Market Analyst at eToro, said the RBA has clearly concerned about the prospective of tipping the economy into a recession if they moved too quickly with interest rate hikes.

"The decision today points towards the economy weakening and the RBA's clear worry over tipping Australia into a recession, with the board reiterating that the path to a soft landing is narrow," he said.

"The good news for equities, as mentioned, is that there is a strong chance we don't see a cash rate peak of 4.6 per cent."

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Three men allegedly involved in a violent confrontation over an e-scooter sale will remain behind bars after being charged.

Aron Nsengiyumva, 21, Alex Edward Deng, 20 and John Wal Wal, 24, have been remanded in custody on a string of charges after three men were stabbed and a dog was killed during the weekend attack in Brisbane's southwest.

The violence erupted on Sunday evening when three armed men allegedly demanded the residents of a Forest Lake property hand over an e-scooter that had been advertised for private sale on social media for $2000.

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Three men inside the home – aged 33, 30 and 21 – armed themselves with shovels and were stabbed by the intruders during a wild backyard brawl.

Nsengiyumva, from Redbank, on Tuesday appeared in Brisbane Magistrates Court with what appeared to be facial injuries.

His matter was adjourned until July 24.

Co-accused Deng, from Darra, did not appear in court when his matter was adjourned to the same date.

They did not apply for bail and have been remanded in custody.

Wal Wal, from Goodna, appeared in Richlands Magistrates Court on Monday.

He will remain in custody until his next appearance in October.

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All three men have been charged with offences including serious animal cruelty, threatening violence, attempting to illegally enter premises and wounding.

Police say two of the alleged attackers went to the Forest Lake home about 1.30pm on Sunday to inspect the scooter before trying to pay with counterfeit cash.

They allegedly produced a knife but left without the scooter after an altercation.

Hours later they returned with another man, scaling the back fence armed with weapons including knives, machetes and what was later revealed to be a gel blaster pistol, police allege.

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They allegedly demanded the scooter, smashing rear glass doors and stabbing the dog to entice the victims outside.

Despite the efforts of police and late-night vets, the dog later died.

Two of the alleged attackers suffered injuries during the confrontation, including a fractured cheekbone, lacerations to an eye socket and injuries to the back of the skull, police said.

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