A witness who filmed the fight and shared it online said nearby children were screaming.

Edward Ellison: “It became clear to us that perhaps this is something we should do”.

A young Texan rabbi will receive a local honour for his heroism while responding to the Bondi Beach terror attack.

Rabbi Leibel Lazaroff, 20, had rushed to help a wounded police officer when he was shot in the abdomen and thigh during the assault on the Chanukah by the Sea celebration at Bondi's Archer Park on December 14.

A total of 15 innocent people were killed and dozens more were injured as the two gunmen opened fire from a footbridge overlooking the park.

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The 20-year-old will be honoured for his bravery and selflessness at a Waverley Council ceremony tomorrow, where he will be given a key to the city and a special lifetime beach parking permit.

Waverley Mayor Will Nemesh said the gesture would be a symbol of the community's "never-ending gratitude".

"Rabbi Lazaroff was assisting the late Rabbi Eli Schlanger at the Chanukah event, when he rushed to help critically wounded NSW Police Constable Scott Dyson, using his own shirt to stem the bleeding," Nemesh said.

"While he was bravely helping the officer, Leibel himself was shot and seriously injured."

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Waverley councillors voted unanimously to honour Lazaroff's courage.

Lazaroff had arrived in Sydney in September to learn from fellow Rabbi Eli Schlanger, who coordinated the celebration.

Schlanger, 41, was shot dead in the massacre.

Ahmed al Ahmed and Gefen Bitton will also be presented with keys to the city and lifetime Waverley beach passes.

Al Ahmed, 43, wrestled a gun from one of the alleged shooters as attendees at the Chanukah by the Sea event were being targeted, slowing down the attack and saving lives, while 30-year-old Bitton ran to his side to help.

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AS IT HAPPENED: Follow all the action of the night.

The pair were killed when their aircraft went down last week.

‘I honestly didn’t think I’d get through it,’ Paihia’s Helen Horrocks says.

No one was injured, police say.

Dean Kimpton is leaving just as a law change strips AT of key planning powers.

Residents in parts of the Northern Territory are bracing for heavy rain this week, which could lead to flooding in some areas.

A tropical low over the central part of the territory is expected to remain near stationary over the eastern Gregory today before it slowly moves westwards tomorrow and on Wednesday.

Heavy rainfall which may lead to flash flooding is expected tonight for parts of the south-western Carpentaria, eastern Gregory, north-western Barkly and northern Tanami districts.

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Heavy rain is also possible today and tomorrow, with six-hourly totals between 80mm and 100mm likely and localised falls of up to 120mm.

Heavy rainfall may continue tomorrow night but is expected to ease on Wednesday morning.

Locations which may be affected include Elliott, Kalkarindji, Lajamanu, Daly Waters, Top Springs and Daguragu.

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According to the Bureau of Meteorology, 183 mm was recorded at Gilnockie in the 24 hours to 9am today.

Residents have been told to stay up to date with the latest information on the Secure NT website.

Meanwhile, the chance of Tropical Low 21U developing into a tropical cyclone will increase this week.

The system has the potential to move offshore over waters to the north of the Pilbara, according to Weatherzone senior meteorologist Tim Woebbeking.

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Police "strongly believe" accused cop killer Dezi Freeman could be dead as a fresh five-day search for the fugitive begins in Mt Buffalo National Park.

More than 100 police officers, including members of the dog squad, drone squad and volunteers, have kicked off a five-day search for Freeman near where he was last known to be.

Investigators are working on three possible theories over Freeman's whereabouts after he was last seen on August 26 last year, one being that he is no longer alive.

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Police are also not ruling out that a member of the public is harbouring him or that he is on the run, alone.

"We are currently exploring three scenarios: the first is that Freeman is dead, either by self-harm or misadventure," Victoria Police Detective Inspector Adam Tilley said today.

Tilley added that police do not think Freeman is alive in the area they are searching and "strongly believe" he is deceased.

"The second [theory] is he has been able to escape the area and is being harboured by a person or people," Tilley continued.

"And a third scenario we are exploring is that he has left the area and is on the run unassisted and he has not been located."

Despite the theories, Tilley said police have not received any proof of life or intelligence that suggests Freeman is still alive.

Detectives have investigated over 2000 pieces of information so far.

Today's search was launched following a tip-off that a single gunshot was heard around 12.20pm on the day police officers Neal Thompson and Vadim De Waart-Hottart were shot dead on Freeman's property at Porepunkah.

Firearm testing was conducted in November in the vicinity of Barrett Lane and Rayner Track.

This testing led police to identify additional search locations in the ongoing manhunt.

"This week we are here to conduct an ongoing search based on that information," Tilley said.

This week's search will span 1.3 square kilometres, which is around 52 football fields in size.

Police, search and rescue volunteers, members of the dog squad and drone squad will join the five-day search, expected to end on Friday.

"Weather is on their side but it will be extremely challenging," Tilley said, noting the search may be hampered by difficult terrain and thick bush.

Mount Buffalo National Park has already been the focus of police activity in the hunt for Freeman, with a five-day search undertaken in part of the park last December.

Thompson and De Waart-Hottart were shot dead when officers were executing a search warrant on Freeman's property as part of an investigation by the Wangaratta Sexual Offences and Child Abuse Investigation Team.

A third police officer was seriously wounded and continues to recover.

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Police say there is no specific intelligence to suggest Freeman, a self-proclaimed "sovereign citizen", is being assisted by somebody in the local community, but it remains a possibility.

A $1 million reward has been posted for information leading to his arrest – a first in Victorian history.

"This incident, which resulted in the deaths of Neal and Vadim, continues to have a significant impact on both Victoria Police and the Porepunkah community more broadly," Detective Inspector Adam Tilley said.

"It remains our number one priority to locate Freeman and the extensive and systematic searches conducted over the past five months are testament to this."

He said police remained convinced information from the community would be crucial to the case and urged anybody with any knowledge to come forward.

"This could be anything you have heard about Freeman's actions on the day or the shooting or his current whereabouts, or anything you may have seen in the Mount Buffalo National Park area that you think is suspicious or could be connected to Freeman," he said.

"If you do have any information, then I urge you to contact police or Crime Stoppers and as always, this can be done confidentially."

Meanwhile, anybody who sees Freeman is urged not to approach him but to call Triple Zero immediately.

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