Police in Tarrant's home state of New South Wales said they had spoken to his family, who called police after seeing the attacks reported on the news.
Australian Prime Minister Scott Morrison said an Australian national arrested after the attack was an "extremist, right-wing violent terrorist".
None of those in custody were on any active security watch lists, either in New Zealand or Australia, Bush said.
Tarrant has been described as a suspected white supremacist, based on his social media activity.
Afternoon prayers at two mosques in Christchurch, New Zealand, were ambushed by gunfire on Friday, leaving at least 49 people dead. One person taken to a hospital died from injuries sustained during the attack.
Police also found improvised explosive devices attached to two vehicles outside of one of the mosques.
Turkish Foreign Minister Mevlut Cavusoglu said the attack was a result of Muslims being demonized.
Local Muslim Ali Majied says he feels sad for humanity after the massacre at two mosques in New Zealand on Friday.
Beyond his white nationalistic views, he claimed to be an environmentalist and said he is a fascist who believes China is the nation that most aligns with his political and social values.
The Herald later quoted one of the witnesses from Lindwood, Syed Mazharuddin, who said that the gunman was confronted by a mosque caretaker, who wrestled one of his guns away but did not shoot because he "couldn't find the trigger". An officer stopped him.
"They are us", she said.
Prime Minister Jacinda Ardern speaks to media during a press conference at Parliament on March 15, 2019 in Wellington, New Zealand. Three other people were apprehended, though one of those people might not have been involved in the shootings. But it has one of the lowest gun homicide rates in the world.
Like the Daily Mirror and Daily Mail, several Australian tabloids focused on the gunman, rather than the killings and included images taken from the livestream of the incident, despite requests from New Zealand and Australian police to not share the footage. "In New Zealand, only licensed gun owners may lawfully acquire, possess or transfer a firearm or ammunition".
"I can tell you one thing". The response from some Muslim countries went further, blaming politicians and the media for stoking that hatred.
YouTube Music arrives in India
If you don't mind with the advertisements while playing music, then the YouTube Music service will cost nothing. Whether you want to listen, watch or discover, it's all here", the company noted on an official press release.
Sadiq Khan, the first Muslim mayor of London, said Londoners stood shoulder to shoulder with the people of Christchurch.
In light of the deadly attack, the St. Paul Police Department said they will be making more frequent visits to mosques in the city and spend more time in nearby areas. "Secondly, an attack in New Zealand would bring to attention the truth of the assault on our civilization, that nowhere in the world was safe".
At the White House, Trump called the bloodshed "a bad thing" but rejected any suggestion the white nationalist movement is a rising threat around the world, saying it is "a small group of people that have very, very serious problems".
Flanked by armed police he flashed an upside-down "okay" signal, a symbol used by white power groups across the globe.
"We are a very diverse society, we have over 200 ethnicities, 160 languages.we have been very welcoming to outsiders", Banks said Friday.
He said the mosques in Christchurch and Linwood would be the targets, as would a third mosque in the town of Ashburton if he could make it there.
"I saw dead people everywhere".
In the video, the killer spends more than two minutes inside the mosque spraying terrified worshippers with gunfire.
India in talks with US over sanctions waiver
Iran has been in discussions with South Korea to purchase several new super tankers, but the talks have gone nowhere as of yet. The global oil market is looking for signs that Washington may extend sanctions waivers for Iran's key customers in early May.
He then walks outside to the street, where he shoots at people on the sidewalk.
Woman with cancer who sued J&J awarded $29M by California jury
It is one of the most mysterious cancers, and it's not clear why asbestos travels to ovarian tissues, but it is well-documented. Ms Leavitt's trial originally included J&J's talc supplier, Imerys Talc America, a unit of Imerys SE, as a co-defendant.
NASA boss says first Martian 'likely to be a woman'
The agency is now exploring options for meeting that deadline using "commercial capabilities", Bridenstine said . It also decided that private companies would launch a probe towards Jupiter's moon Europa.
Steam Link Anywhere lets you stream games from, well, anywhere
For those playing games instead of making them, Steam Link is now officially usable outside of home networks, albeit in open beta. It should be added that iOS users are now out of luck, as Apple keep rejecting Valve's attempts to get the app on the App Store.
Kane Williamson undergoes scan on injured shoulder
New Zealand's Neil Wagner (centre) celebrates the wicket of Bangladesh's Taijul Islam with team-mates on Tuesday. Tim Southee is captaining the side as Williamson has yet to return to the field with a shoulder injury.
Vietnam urges Malaysia free 2nd woman in N. Korean killing
A statement posted on the ministry's website said Minh requested the Malaysian court conduct a fair trial and free Huong. On Monday (March 11), the Shah Alam High Court granted a discharge not amounting to an acquittal to Siti Aisyah .
The Sussexes get their own court as William and Harry split
Sara Latham, an American who is now managing partner at Freuds PR agency, was named as the duke's new communications chief. Meghan Markle sure is taking her Royal responsibilities seriously, the Duchess reportedly held a secret meeting with Dr.