Forty-nine people have been killed and four people arrested, including one Australian, after a gunman opened fire at two mosques in Christchurch on Friday.
New Zealand Police Commissioner Mike Bush confirmed 41 people lost their lives at the Al Noor mosque, seven died at the Linwood site and one passed away at Christchurch hospital. There are 48 people who remain in hospital.
"Our hearts go out to them and all of their families, all of their friends, all of their loved ones, and I want to assure everyone that we will do our best for them," he said at the latest briefing.
Mr Bush said one person has been charged with murder and will appear in the Christchurch Court on Saturday.
Police have also said they are investigating a house in Dunedin in relation to the attacks.
Speaking from Wellington on Friday evening, New Zealand Prime Minister Jacinda Ardern said "it is clear that this can now only be described as a terrorist attack", before travelling to Christchurch on Saturday.
"These are people who I would describe as having extremist views, that have absolutely no place in New Zealand, and in fact have no place in the world."
She told New Zealanders they were not chosen for this act of violence because they condone racism but because they represent diversity, kindness, compassion and a refuge for those who need it.
"And those values I can assure you will not and cannot be shaken by this attack," she said.
"You may have chosen us, but we utterly reject and condemn you," she said of the extremist attackers, none of whom were on a security watchlist.
Vigils and services were held around the world on Friday.
Hundreds of people gathered at Lakemba mosque in Sydney, including several state and federal politicians.
Immigration Minister David Coleman spoke at the event, calling Friday's attacks an "utterly evil act of terrorism".
"We value our freedoms in Australia. We value our religious freedoms. One of the great things about our nation is that everyone can practise their religious beliefs, and they should always be able to do so in an environment of peace and tolerance," he said.
Labor MP Tony Burke told those gathered, "don't let anyone tell you, you are less than being full, important, essential leaders of Australian society".
NSW Premier Gladys Berejiklian and NSW Opposition Leader Michael Daley also attended.
'Australian-born' man live streams attack
The shooting was live-streamed by the alleged gunman, who identified himself as Australian-born, 28-year-old "Brenton Tarrant".
The video shows the shooter driving to the mosque, before walking up to the entrance, where he begins shooting randomly at worshippers.
After a barrage of shots, he leaves the mosque and runs outside, shooting at people on the street.
Mr Bush said police were aware of the "very disturbing" footage and were trying to remove it from the public domain.
In a 74-page manifesto setting out the reasons for the attack, reportedly authored by the shooter, he further described himself as "just an ordinary white man, 28 years old. Born in Australia to a working class, low income family".
In the manifesto, seen by SBS News, the man who identifies as Brenton Tarrant said he "only arrived in New Zealand to live temporarily whilst I planned and trained" but then decided to carry out an attack there.
The author does not mention how long or where he lived in Australia, but AAP is reporting he grew up in Grafton, NSW.
Former intelligence and defence policy analyst Dr Paul G Buchanan told SBS News the shooting was "a classic case of right-wing extremism, right-wing terrorism."
He added that the manifesto reminded him of Norweigan terrorist Anders Behring Breivik.
'An unprecedented act of violence': Ardern
Ms Ardern, speaking from New Plymouth earlier on Friday, said it was "one of New Zealand's darkest days", describing the incidents as "an unprecedented act of violence".
"The people who were the subject of this attack today, New Zealand is their home. They should be safe here," she said.
Witnesses reported seeing a man dressed in a military-style, camouflage outfit carrying an automatic rifle entering the Masjid Al Noor Mosque in Hagley Park, where hundreds of people were praying. The second shooting took place Linwood Masjid, located on Linwood Avenue, Mr Bush confirmed.
Australian leaders condemn attack
Australian Prime Minister Scott Morrison said he was shocked, outraged and appalled at the events in Christchurch, announcing that he had been in contact with Ms Ardern.
"We stand here and condemn absolutely the attack that occurred today by an extremist, right-wing, violent terrorist," he said.
Mr Morrison also confirmed that one of the people arrested over the attacks was an Australian citizen and that Australian authorities were involved in the investigation.
"I particularly want to express my sincere prayers and thoughts for those New Zealanders, indeed Australians of Islamic faith today, who have been the subject of this callous right-wing extremist attack," he said.
Meanwhile, opposition leader Bill Shorten urged people not to watch the footage of the attack.
"Do not watch the footage, that is what the bad people want us to do. Do not share the footage, that is what the bad people have sought for us to do," he said.
The Grand Mufti of Australia and New Zealand Ibrahim Abo Mohammed told SBS Arabic 24 that the incident reflected "the state of hate that some media reflect in its handling of the Muslims".
"It is a terrorist attack. It is organised. For me this is a terrorist attack. This proves that terrorism has no faith affiliation nor ethnicity," he said.
National Deputy Director of the Australian Institute of International Affairs Dr Bryce Wakefield said New Zealand's gun laws "were known for being particularly lax".
"An expert testified before parliament in 2016 that it was only a matter of time before a mass shooting occurred in New Zealand," he said.
Mr Wakefield, who was born in New Zealand, said the country had never seen attacks like this before.
"About 30 years ago we had an attack in a rural community in Aramoana but that was not, as this was, politically motivated and far fewer people died then," he told SBS News.
The Australian Security Intelligence Organisation (ASIO) did not wish to comment on the attacks.
'I saw some people drop dead'
A witness who was inside the Al Noor mosque told ABC News that it was very "peaceful, calm and quiet" when the shooting started.
"I saw some people drop dead and some people were running away," he said.
Katherine Jamieson, who lives down the road from Al Noor mosque, told SBS News she saw bloodied victims in ambulances following the attack.
Witness describes the shooting as it happened in a Christchurch mosque
From lockdown, she said shaken survivors had told her how the shooting unfolded.
“There was a shooting, people came into the mosque during prayers with an automatic rifle and opened fire within the mosque during prayers," she said.
"They were devastated and terrified and I saw guys who were from the mosque covered in blood sitting in ambulances.”
Lisa Davies, in Christchurch, told the ABC "it's just a continuous stream of sirens".
"We've probably seen 10 ambulances. I've lost count of the number of police cars, but obviously all the police on these cordons are heavily armed and trying to keep the public out of the scene, keep them safe until they know exactly what's happened here, and that they've managed to apprehend the alleged gunman," she said.
A nearby business owner told stuff.co.nz that a lot of people were praying at the mosque at the time of the incident.
"I heard 20 or more gunshots I thought something happened and the people were running on the other side of Deans Avenue and now I can see so many police," the business owner said.
One man said the scene at the mosque was chaotic.
"I heard a big sound of the gun. And a second one, I ran. Lots of people were sitting on the floor. I ran behind the mosque," he told TVNZ.
"The floor. There's lots of blood on the floor, you can see when you go in."
The man, who did not give his name said he saw four people on the floor but did not see the shooter.
Any Australian citizens who require consular assistance, or families concerned about the welfare of citizens should contact +6444736411 or +61262613305.
With Jennifer Scherer, Fintan McDonnell, Tom Stayner, Wires