She announced that New Zealand had raised its security threat level to the highest degree and said four suspects who harbored extremist views were now in police custody with one man who police said was in his late 20s charged with murder.
"Two explosive devices attached to suspect vehicles have now been found and they have been disarmed", she added.
New Zealand's prime minister said that immigrants and refugees "have chosen to make New Zealand their home, and it is their home".
New Zealand's Prime Minister Jacinda Ardern calls it "one of New Zealand's darkest days".
Police said they have mobilized every national police resource to respond to the incident. One other died at Christchurch Hospital. "I saw lots of broken glass and bricks on the backside of the mosque", he said.
German Chancellor Angela Merkel said she mourned "with New Zealanders for their fellow citizens who were attacked and murdered out of racist hatred while peacefully praying in their mosques".
Spanish Premier Pedro Sanchez said his thoughts were with the victims, families and government of New Zealand after attacks by "fanatics and extremists who want to destroy our societies".
A member of the AOS (Armed Offenders Squad) stands ready following a shooting at the Al Noor mosque in Christchurch, New Zealand, on March 15, 2019.
The police also advised local residents to stay away from mosques until further notice. "It's unbelievably nutty. I don't understand how anyone could do this to these people, to anyone".
It is clear that this can only be described as a terrorist attack.
One suspected shooter, 28-year-old Brenton Harrison Tarrant, has been charged with murder in the mass shootings. "Given the small size of New Zealand, and give that it grounds itself on peace and justice, the impact of it is just heightened".
Police have urged all mosques across New Zealand to shut their doors.
I know that the people of New Zealand will never allow hate and division to triumph over these things they hold dear.
"Very quickly we identified that we're going to have to increase police presence around mosques, around houses of worship", said NYPD Deputy Commissioner of Intelligence & Counter-terrorism John Miller.
Luke Western, a Christian and content director of Rhema Media in New Zealand, told Premier he was surprised and saddened by the attack.
In the video that was apparently livestreamed, the gunman spends more than two minutes inside the mosque spraying terrified worshippers with bullets again and again, sometimes firing at people he has already cut down.
The Turkish leader, who often criticises Islamophobic attitudes, called for the West to act to prevent similar attacks.
The death toll in the terrorist attack on New Zealand's mosques has risen to 49 with at least believed to have been injured. "Clearly what has happened here is an extraordinary and unprecedented act of violence".
The video has yet to be confirmed by authorities as being posted by a shooter involved in the attack.
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