New Zealand was in mourning after 49 people died in two deadliest-ever mosques shooting country.
PM Jacinda Ardern described Friday's shooting in the city of Christchurch as one of New Zealand's "darkest days."
Flowers are left out of mosques across the country as worried families are awaiting news about missing loved ones.
A gunman believed that a white supremacist lived-streamed the rampage. A person in his last 20 years was arrested and should appear in court.
Two other people are in custody. No names have been made public.
A total of 48 people were injured in shootings. The identities of the dead and injured are not released.
Bangladesh, India and Indonesia say that some of their citizens died in shooting and others did not know.
On Saturday, Christchurch Mayor Lianne Dalziel is the "waiver" of terrorism "and unity among the victims.
" We welcome new people in our city. They are our friends, they are our neighbors, "he told reporters." We want to be together to support them. "
Security remains tight across Christchurch.
The first report of an attack comes from the mosque of Al Noor in central Christchurch on Friday prayers at 1
An archer the driver at the door, went in and fired at the worshipers within five minutes.
The gunman, who lived in the attack from a head-to-head camera, said he was a 28-year-old Australian called the Brenton Tarrant.
A New Zealand Herald newspaper survivor told how he fled to a window.
Nour Tavis, who was born in Morocco, said he was in the front row when the shooting began.
] "People are running and suddenly you saw them fall, "he said. He saw someone breaking the window. "I followed … it's the safest place to go out."
The wife of one of his friends was killed, he said.
"When he heard the noise, he wanted to go and make sure his wife was safe," he said. "He got the bullet, got his wife."
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Then the gunmen drove about 5km (three miles) to another mosque outside the city of Linwood where the second shot took place.
A witness described how one of the worshipers defended the man, running in a waiting car outside.
It was unclear where arrests were made.
A visit to the national cricket team of Bangladesh has a narrow escape: they are on their way to pray at Al Noor mosque.
The police said they were getting guns from both mosques, and explosive devices were found in a car belonging to one of the suspects.
According to the latest census census, Muslims make up about 1.1% of New Zealand's population of 4.25 million.
Numbers grew when New Zealand took refugees from different war- Major suspects
Social media accounts in the name of Brenton Tarrant were used to post of a lengthy racist document where the author referred the mosques to attack later.
The man says he started planning an attack after visiting Europe in 2017 and getting angry about the events there.
The document is called "The Great Replacement" – a phrase originating in France and has been a quarrel for Europe anti-immigration extremists.
Even though New Zealand's police say they charge a person in his last 20s in killing, they did not recognize him.
"Evidently it can only be described as a terrorist attack," Prime Minister Ardern told reporters.
In a tweet, he said: "What happened in Christchurch was an extraordinary act of unequal violence, it has no place in New Zealand. Many of these affected members will be members of our migrant communities – New Zealand their home – they are us. "
President Donald Trump offered his" warmest sympathy and best wishes "in New Zealand. "The US stands in New Zealand for anything we can do. God bless everyone!"
UK Prime Minister Theresa has his "deepest sympathy for New Zealanders."
The Queen said she was "sad over the harsh events in Christchurch today."
Pope Francis offered his "heartfelt unity" and "deeply sad to know the damage and loss of life caused by vain acts of violence ", Vatican Secretary of State Pietro Parolin said in a telegram.
German Chancellor Angela Merkel said she was grieving "in New Zealand for their fellow citizens being attacked and killed from racist hatred while silently praying at their mosques."
And the French President Emmanuel Macron called it "abhorrent attack" to stand "against any kind of extremism".
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