At least 49 people have died, seven at Linwood Masjid Mosque and 41 at Masjid Al Noor Mosque.
"Those two police officers acted with absolute courage", Bush said.
Police say they will continue guarding mosques around the country until further notice.
Kai Schwoerer via Getty ImagesNew Zealand Prime Minister Jacinda Ardern speaks to the media on Saturday.
A Candelit Prayer is held outside the State Library of Victoria on March 16, 2019 in Melbourne, Australia; 49 people are confirmed dead, with with 36 injured still in hospital following shooting attacks on two mosques in Christchurch, New Zealand on Friday, 15 March at the hands of suspected shooter Brenton Tarrant.
Cook Islands prime minister Herny Puna said his country's prayers first and foremost were with the victims of the shooting, "their families, friends and loved ones whe are now faced with the irreconcilable loss of their loved ones".
The staff member monitoring the accounts sent it to parliamentary services as soon as they saw it, who sent it to police, the spokesman said.
New Zealand mosque attacks: What we know so far
He stormed the Al Noor Mosque in Christchurch and opened fire on hundreds of worshippers who were attending Friday prayers. "Police can now confirm the lockdown of schools throughout Christchurch has been lifted", the police said in a statement.
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In a 5-4 vote, the USA state's Supreme Court said the lawsuit could proceed on the basis of state consumer protection laws. Leading gun control advocates such as Everytown for Gun Safety and the Brady Campaign applauded the ruling.
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He will play 19-year-old Canadian Denis Shapovalov , the 24th seed who beat 10th-seeded Croatian Marin Cilic 6-4, 6-2. The match between Djokovic and Kohlschreiber began on Monday but was delayed until Tuesday because of heavy rain.
Two other suspected accomplices have also been arrested.
After Tarrant left, the judge said that while "there is one charge of murder brought at the moment, it is reasonable to assume that there will be others".
'Those decisions have yet to be taken, ' he told Radio New Zealand.
"Those decisions have yet to be taken, but the Prime Minister has signaled that we are going to look at that issue", Parker told Radio New Zealand. "I am very sorry to miss your calls and text messages.I am really tired.please pray for my son, me and my daughter.I am just posting this video to show you that I am fully ok", said Wasseim Alsati, who was reportedly shot three times. Patients ranged in age from 2 years old to almost 70, according to David Meates, chief executive of the Canterbury District Health Board.
Most of the victims of the attacks were immigrants from Pakistan, India, Malaysia, Indonesia, Turkey, Somalia and Afghanistan.
She said, "The mere fact... that this individual had acquired a gun licence and acquired weapons of that range, then obviously I think people will be seeking change, and I'm committing to that".
During a Saturday press conference, Ardern said the gunman had two semi-automatic weapons, two shotguns, and a lever-action firearm (five firearms in total). "This is not the New Zealand we know".
Pence also affirmed USA cooperation in ensuring all the perpetrators were brought to justice.
The judge briefed the media before the hearing, saying videos and photographs were only released by approved New Zealand media outlets including TVNZ and RNZ.