At least 49 people have been killed and dozens more are seriously injured after shootings at two mosques in Christchurch, New Zealand.
Witnesses described bodies and "blood everywhere" following the attack at the Masjid Al Noor mosque in central Christchurch at about 1.45pm.
Police have arrested an Australian citizen – a 28-year-old man – and another three people, following a second shooting at another mosque in the Christchurch suburbs.
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Brenton Tarrant, named after the suspect in the Australian media, appeared to have escaped the attack in Christchurch and posted on anti-immigrant motives in a manifesto.
A search of a property in Dunedin, 200 miles to the south, was carried out by police.
Videos and documents posted online appear to suggest that the shooter live-streamed his attack on Facebook and prepared an anti-immigrant "manifesto" prior to the shooting.
Prime minister Jacinda Ardern has raised New Zealand's national security threat level from low to high.
Follow the latest developments in our live blog below.
2019-03-15T18: 00: 48.000Z
More details are emerging about the victims of the terrorist attack.
Several of those wounded or killed appear to be from south Asia or the Middle East.
Saudi Embassy in Wellington says two Saudis were wounded.
Two Indonesians, a father and son, were also among those shot and wounded.
2019-03-15T17: 55: 48.000Z
Shafiqur Rahman Bhuiyan, Bangladesh's honorary consul in Auckland, said that three Bangladeshis were among those killed in the attack. Four others were wounded, including two people who remain in critical condition.
Two Jordanians were also among those killed and four Pakistani citizens were wounded, while five are still missing.
2019-03-15T17: 37: 48.000Z
Theresa May has voiced her support for the victims of the attack.
"I have been in contact this morning with Prime Minister Jacinda Ardern to express the UK's deepest condolences at the horrifying terrorist attack," she says, in a video posted this afternoon on her Twitter account.
"There can be no place in our societies for the ideology that drives and incites hatred and fear."
2019-03-15T17: 27: 48.850Z
The White House has rejected any link between the attack and Donald Trump's rhetoric.
Mercedes Schlapp, Mr. Trump's director of strategic communications, "It's outrageous to make that connection between this deranged individual that committed this evil crime to the president who has repeatedly condemned bigotry, racism and made it very clear that this is a terrorist attack said.
"We stand with the people of New Zealand."
One of the attackers referring to the US president in his manifesto, calling him "a symbol of renewed white identity".
2019-03-15T15: 46: 08.963Z
Some more details about the self-proclaimed racist who is believed to have attacked New Zealand mosque during Friday prayers.
– He used rifles covered in white-supremacist graffiti and listened to a song glorifying in Bosnian Serb war criminal, Associated Press reports.
– At least two rifles used in the shooting bore references to Ebba Akerlund, a 11-year-old girl killed in an April 2017 truck-ramming attack in Stockholm by Rakhmat Akilov, a 39-year-old Uzbek man.
– The number 14 is also seen on the gunman's rifles. It may refer to "14 Words", according to the Southern Poverty Law Center slogan linked to Adolf Hitler's "Mein Kampf".
2019-03-15T14: 57: 51.203Z
Speaking in east London, Sadiq Khan, the mayor of London, said there was a "responsibility on all of us to be very careful in the language we use and the messages we amplify".
He added: "There are some people in our city, in our country, who fan the flames of hatred.
"There are some people who demonize and dehumanise people because of the faith they follow.
"There are some people who, rather than addressing people's fears, play on them."
2019-03-15T14: 46: 13.470Z
Filippo Grandi, commissioner of the United Nations High Commissioner for Refugees, said the attack came at a time of "growing hostility towards diversity".
"The Humanities of New Zealand have shown in their response is truly laudable.
"My colleagues and I at UNHCR stand by New Zealand – a country which has generously given refuge to people by fleeing conflict and persecution, and whose citizens warmly welcomed them into their towns and cities."
2019-03-15T14: 32: 33.000Z
Pakistan's Prime Minister Imran Khan echoed those sentiments, tweeting: "Blame these increasing terror attacks on the current Islamophobia post-9/11 where Islam & 1.3 bn Muslims have collectively been blamed for any act of terror by a Muslim."
2019-03-15T14: 07: 33.000Z
A fundraiser for the shooting has raised more than 380,000 New Zealand dollars (£ 197,000) within hours of the tragedy.
Created by New Zealand charity Victim Support, the appeal with over 6,000 donors at 2am local time, after a press release issued at around 9:40 pm the previous night.
"All donations received through the fund will be fenced to provide resources and support for those affected by this horrific event.
"Victim Support stands with everyone affected and with all communities in New Zealand today."
2019-03-15T13: 50: 47.145Z
Amnesty International's Secretary General called the shootings "one of the darkest days in New Zealand's history".
Kumi Naidoo said: “The attackers who unleashed their deadly hatred and racism upon women, men, and children as they took part in Friday prayers has thrown us all into shock and grief.
"It is a moment of reckoning for leaders in the world of Islamophobia."
"The politics of demonisation has today cost 49 people their lives. Reports that the attackers followed a white supremacist manifesto must galvanize world leaders to start standing against this hate-filled ideology."
2019-03-15T13: 36: 40.486Z
"I haven't got a grip" on the problem. Yvette Cooper, chair of the Home Affairs Select Committee
"For the sick video live-streamed by the perpetrator still to be available on YouTube and Facebook hours later is shocking," she said.
"Social media companies need to get out of it. They are warned repeatedly about this kind of problem.
"They have developed new systems to start dealing with Islamist extremism but they are completely failing to take seriously right extremism and terrorism.
"Time and time again social media companies have been too slow to act and is not good enough."
2019-03-15T13: 17: 35.116Z
The hours of the night in New Zealand are now the middle of the night in New Zealand, and they have slowed down, so here is a description of how the attack unfolded,
The online footage, which appeared to have been captured on camera strapped to a gunman's head, showed him driving as a music played in his vehicle. After parking, he took a short walk to the mosque where he opened fire.
Over the course of five minutes, he repeatedly shot himself, leaving more than a dozen bodies in one room alone. He went back to the mosque to shoot anyone showing signs of life.
One man, with blood still on his shirt, said in an interview with a gunman under a bench and prayed that he would run out of bullets.
"I was just praying to God and hoping our God, please, let this guy stop" Mahmood Nazeer told TVNZ.
"The firing went on and on. One person with a bullet in his arm. When the firing stopped, I looked over the fence, there was one guy changing his gun."
The video shows the gunman then driving off at high speed and firing from his car. Another video, taken by someone else, showed police apprehending a gunman on a pavement by a road.
Police said improvised explosive devices were found. The gunman's video had shown in the back of his car, along with weapons.
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