A woman has died after she was allegedly attacked with a knife in a suspected domestic violence incident at a home in Hobart's east.

A man she knew is in custody and two teens who witnessed the alleged killing have been left "significantly distressed", police say.

Emergency services were called to a home in Binalong Road, Mornington, about 1.30pm.

READ MORE: Perth records its hottest Christmas Day on record

Police said they received reported a woman had been injured with a knife and found here in a serious condition, with upper-body injuries.

The 52-year-old died shortly after arriving at Royal Hobart Hospital.

Police said a 60-year-old Hobart man was taken into custody without incident at the scene.

"Two other people – aged in their teens – were present at the time of the incident," police said, in a statement.

"The two teenagers were not physically injured but of course they are significantly distressed by this incident."

Police said all violence was unacceptable and family violence should not be tolerated.

"Any incident like this is confronting and distressing to all involved from loved ones to the community, to emergency services who attended," police said.

"When children are involved, it certainly does have an impact on our officers. Wellbeing support is provided to officers affected by incidents."

If you need someone to talk to about domestic violence, call 1800RESPECT or visit White Ribbon Australia's website. In an emergency, call 000.

A fisherman out on a Christmas Day fishing trip in Western Australia has ended up catching something a lot bigger.

Terry Pryor was fishing for snapper this morning off Woodman Point in Coogee when he hooked a 2.5m tiger shark.

"I was reeling in my last line and it was well attached to a shark and it took me nearly an hour to get it on the beach," Mr Pryor said.

READ MORE: Western Australia records two new local COVID-19 cases on Christmas Day

People on the beach chanted for Mr Pryor, who said the catch was accidental, to let the shark go.

Mr Pryor said he kept the shark in the water so it would stay safe until he could get the hook out.

He said the shark was eventually released back into the water.

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"Because the shark was quite tired, I was comfortable in getting in with the shark in the water and cut the hook out and I ended up swimming the shark out to about chest height up the beach before it finally gave a tail wag and send it," Mr Pryor said.

It wasn't the only shark spotted on Perth's coast this Christmas Day.

Hundreds of swimmers were sent out of the water after four beaches were shut down following sightings of sharks at Coogee, Mullalloo, Leighton and Port.

A Qantas pilot has captained his final holiday flight after 41 years of Christmas Day flying.

Captain Steve Anderson is retiring after decades of flying passengers to their destinations on Christmas Day.

For one day a year, Captain Anderson switches his pilot's uniform for a red suit and white beard and goes by Captain Santa.

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"You get cheers. You get claps. It's wonderful," he said.

While COVID-19 has brought difficulty to many of Mr Anderson's passengers, he says it's nice to see smiles returning to people's faces.

"If we can make just one person smile it's great," he said.

But today was the pilot's final Santa flight.

"It's the end of an era for me but I've got [a] new one coming up but it's still sad," Mr Anderson said.

In August, he will officially retire from all flying.

A man has died following a “water-related incident” at Great Barrier Island on Christmas day.A police spokesperson said the incident was reported to emergency services shortly before 6pm.”Police are making enquiries in relation…

A search is underway for a missing swimmer at a dam near Bathurst, west of Sydney.

Emergency services were called to Ben Chifley Dam about 1.50pm on Christmas Day and told a 42-year-old man had entered the water and not resurfaced.

Police said a crime scene had been established and State Emergency Service volunteers were helping with search efforts.

READ MORE: How Australia is celebrating Christmas Day

https://twitter.com/archiestaines9/status/1474624074668204032

The dam is closed until further notice.

Defence Force’s explosives disposal team was called to a section of Auckland’s Southern Motorway after a item of interest was found. A police spokesperson said at around 5.15pm they were made aware of an item of interest located…

People across Australia celebrated Christmas Day in their own different ways, from heading to the beach, attending mass, and helping others.

Western Australia has recorded two new local cases of COVID-19 on Christmas Day, both linked to the backpacker who tested positive earlier this week.

The new cases are in addition to the five identified yesterday, bringing the total infections for the current outbreak up to eight.

READ MORE: NSW Christmas Day cases top 6000

WA Health confirmed the 25-year-old backpacker who tested positive after arriving in Perth from Queensland on December 12 has the Delta variant of concern, not the Omicron strain of the virus.

"All cases related to this outbreak can be assumed to also be Delta," WA Health said in a statement.

The state will bring in a hard border with both the Northern Territory and Tasmania from midnight tonight.

A total of 8606 tests were conducted in the last 24 hours at public and private COVID-19 testing clinics.

In a statement on Facebook Premier Mark McGowan said contact tracers are working to identify any further exposure sites.

In addition to the two locally acquired cases, WA also recorded two additional cases in hotel quarantine.

The boat belonging to a fisherman who has been reported missing near Whangapoua has been found but the fisherman is still missing.Earlier, boats, a helicopter and plane were all deployed in the search for the man overdue from a…

Two young people have been seriously injured following a crash in Auckland’s Goodwood Heights.Just before 11.15am a police unit spotted a stolen Mazda Atenza car in the suburb.A police spokesperson said the officer signalled for…