Minute's silence in House of Commonspublished at 09:55 Greenwich Mean Time 15 March 2019
The House of Commons will hold a minute's silence at 11:00 GMT in memory of those killed in New Zealand, speaker John Bercow has announced.
Chief suspect Brenton Tarrant, 28, an Australian citizen, appeared in court on a murder charge
The attacker who killed 49 people had a licence for his guns, Prime Minister Jacinda Ardern says
He was not known to the security services
Pakistan names six nationals among those killed
The first victim to be identified was named by his family as Daoud Nabi, 71, originally from Afghanistan
Flags are flying at half-mast on government buildings in Christchurch
Alex Regan and Joel Gunter
The House of Commons will hold a minute's silence at 11:00 GMT in memory of those killed in New Zealand, speaker John Bercow has announced.
Chief Rabbi Ephraim Mirvis, considered the head of Jews in the UK, has tweeted that the attacks in Christchurch were "terrorism of the most despicable kind".
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Stepehen Goodman, president of the New Zealand Jewish Council said: "The New Zealand Jewish Council has no adequate words to describe how sickened and devastated we are by the coordinated attacks on Christchurch mosques today."
Speaking to the Jewish Chronicle newspaper, he added: "We offer our full assistance and support to the Muslim community and stand united with it against the scourge of terrorism and racism, which we must do all we can to banish from New Zealand."
French Interior Minister Christophe Castaner has announced that there will be extra security measures around religious sites in France "as a precaution", in response to the Christchurch attack.
"Patrols will be held around religious sites," he tweeted.
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French President Emmanuel Macron says France "stands against all forms of extremism and acts with its partners against global terrorism".
France is thinking of the victims and their families after these "heinous crimes", he tweeted.
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Virat Kohli, captain of the Indian national cricket team, has called the shooting "shocking and tragic", sending his support to all those affected.
Kohli also sends his best to the Bangladeshi team who were almost caught up in the attacks.
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A man who survived by hiding says people broke through windows of the Al Noor mosque to escape.
"He started to shoot them. Anyone who he thinks is still alive, he will continue shooting them," he told Radio New Zealand., external
"He didn't want anyone to stay alive."
The shooting lasted for 20 minutes, according to another witness.
"What I did was basically waiting and praying, God please, let this guy run out of bullets."
President of the European Council Donald Tusk tweets that New Zealand "can count on our solidarity" in the wake of the shooting, calling it "harrowing news".
"The brutal attack in Christchurch will never diminish the tolerance and decency that New Zealand is famous for."
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New Zealand filmmaker and actor Taika Waititi, who most recently directed Marvel film Thor:Ragnarok, has tweeted about his sadness, saying his "heart is broken".
"This is not us."
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London Mayor Sadiq Khan says there will be "highly visible policing" around mosques in the city today as people go to pray, including armed response officers.
"London stands with the people of Christchurch in the face of this horrific terror attack," he writes.
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Christchurch Mayor Lianne Dalziel has issued a statement about the "devastating" attack", saying "our city has changed forever today."
She thanked the police and those caring for the victims and urged people "to look out for each other".
"Now is the time for tolerance and understanding," she wrote.
Members of the Bangladesh cricket team were near the Al Noor mosque when the attack happened. Mohammed Isam, the Bangladesh correspondent for ESPN, told the BBC he was with the players at the time of the shooting.
"I saw them get out of the parking lot, within five minutes one of the players [Iqbal] called me for help - he said save us, we are in big trouble someone is shooting." said Isam.
"I didn't take him seriously at first but then his voice was cracking up and I just ran for it. I tried to run all the way and I got a lift from someone and I reached the incident."
New Zealand Police tweets about the Restoring Family Links website, where members of the public can register missing people or register themselves as alive.
Officers will contact those who register a missing person.
"We encourage members of the public to continue to contact family and friends through their own means to confirm their welfare."
As international messages of support and condemnation pour in, US President Donald Trump has as yet seemingly not issued a statement on the attacks in New Zealand.
The president's last tweet, shortly after the shooting began, was a link to the right-wing Breitbart News Network, external.
The White House's official Twitter feed has also as yet not issued a statement.
US Ambassador to New Zealand Scott Brown however has tweeted that he is "heartbroken" after the attack.
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