Ardern previously has said her Cabinet had agreed in principle to tighten gun restrictions in New Zealand and those reforms would be announced next week. Tariq Rashid Omar, 24, graduated from the same school, played soccer in the summer and was a beloved coach of several youth teams.
The 28-year-old was arrested after the shootings and is expected to spend his life in prison as New Zealand has no death penalty.
Speaking from Wellington this afternoon, Ardern said firearm retailers will be unable to sell assault rifles and MSSAs from 3pm today, local time.
Families of those killed had been awaiting word on when they could bury their loved ones. Body washing will go on through the day and night to have the dead ready for burial, said one person involved in the process. He was arrested as he fled that scene, with police running him off the road and dragging him from his vehicle.
A 44-year-old businessman was remanded in custody after a preliminary court appearance in Christchurch Wednesday on charges of distributing footage of one of the mosque shootings.
Flowers and messages are placed outside Lakemba Mosque in Sydney on March 20, 2018, five days after the mass shooting attacks at two mosques in Christchurch that killed 50 Muslim worshippers in the city.
Police told reporters they believe the alleged gunman was on his way to another attack when officers stopped him. "We will also ban all assault rifles", Ms Ardern said, while announcing interim measures that will stop a rush of purchases before legislation on the measures takes effect.
He said members of the Linwood mosque, where the gunman killed at least seven people, also would attend.More news: Knicks block LeBron at the finish, rally to beat Lakers
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"Over the weekend, a Transguard employee made inflammatory comments on his personal Facebook account celebrating the deplorable mosque attack in Christchurch, New Zealand", security company Transguard said in a statement on Tuesday.
Hamza called his mother Salwa after the attacks began.
Hart said it was an easy decision for him to hand in his semi-automatic and tweeted: "on the farm they are a useful tool in some circumstances, but my convenience doesn t outweigh the risk of misuse. Because it is full of blood, and it's contaminated", he said.
Ardern said while her focus was on the people of New Zealand, there were issues world leaders needed "to confront collectively".
Sayyad's father, John Milne, said his son was gunned down while praying at Al Noor.
In his Facebook comment, the Transguard staff had not only expressed joy over the massacre, but he also called for similar attacks on other mosques during Friday prayers.
"For other dealers, sales should essentially now cease". Ardern said he craved publicity and, as a result, she would never speak his name: "He is a terrorist".