At least 49 people are confirmed dead and more than 40 wounded after attacks at two mosques in Christchurch on Friday.
He said the arrest of Australian man Brenton Tarrant - who on Saturday faced court on one count of murder - was risky.
As the nation reeled following the terror attack on two mosques in the South Island city of Christchurch, New Zealand attorney general David Parker said the weapons would be outlawed.
An imam who was leading prayers at a Christchurch mosque when a gunman brandishing semi-automatic weapons mowed down his congregation said on Saturday (March 16) that the Muslim community's love for New Zealand would not be shaken by the massacre.
One of the individuals in custody is Australian, according to Australian Prime Minister Scott Morrison. "Kia Kaha" said many messages, a phrase in the Maori language, meaning "stay strong".
The gunman also livestreamed in graphic detail 17 minutes of his rampage at Al Noor mosque, where he sprayed worshippers with bullets, killing at least 41 people.
"I saw dead people everywhere". As New Zealand has stood by us so we stand shoulder to shoulder with them, and with Muslims in New Zealand, here in the United Kingdom and around the world.
He told Stuff: "I got told by my best friend's father to him, that he leaped on somebody else to save their life.
We are neighbours in our communities wherever we live here in Saskatchewan and let's treat one another with precisely the respect that we expect to be treated by them". He then walked outside where he shot at people on the sidewalk.
After going back outside and shooting a woman there, he gets back in his vehicle, where a song can be heard blasting. The singer bellows, "I am the god of hellfire!" and the gunman drives away.
Both mosques were full of worshippers attending Friday prayers when the shootings occurred.
Gardee said the NCCM is calling on elected officials to stand up and to speak out against these terrorist acts. One victim died in hospital.
In 2015, GunPolicy.org listed 55 deaths caused by firearms in New Zealand and 59 homicides. He said he has donated to many nationalist groups, but claimed not to be a direct member of any organisation.
Alsaleh moved to New Zealand from Palestine in 1996 and thought it was a safe place to live. "Our city has changed forever today", Mayor Lianne Dalziel said in a statement.
New Zealand is generally considered to be a welcoming country for migrants and refugees.
Home to almost 400,000 people, Christchurch is the largest city on New Zealand's South Island.
Christchurch is a city of about 400,000 residents, still recovering from a massive natural disaster in 2011 that killed 187 people.
A cricket match between New Zealand and Bangladesh scheduled to start Saturday was canceled after the Bangladesh cricket team had a narrow escape.
Huang Yan, the manager of the Christchurch branch of China's Southern Airlines, told Xinhua the mass shooting would bring negative impact on New Zealand tourism as Christchurch has just been recovered from the aftermath of the 2011 deadly natural disaster.
At first, Mr Taylor and his colleagues had no idea what was happening, initially believing the alarms, sirens and general panic sweeping through the New Zealand city were signs of another quake, similar to the 6.2-level seismic disaster that destroyed massive swathes of the city in 2011.
Perry reported from Wellington.
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