The suspect, Brenton Harrison Tarrant, appeared in court Saturday, charged with one count of murder.
The Bangladesh team was on its way to the mosque, one of two sites of the shooting attack that killed at least 49 people.
"Freedom has come under attack in New Zealand as peaceful worshippers are targeted in a despicable act of evil".
Naeem Rashid, originally from Abbottabad in Pakistan, and his son, were named as being among the 49 victims killed in the terror attack yesterday.
Ardern's office said the suspect had sent the "manifesto" in a bulk email that included a generic address for the Prime Minister, the opposition leader, speaker of the parliament and around 70 media outlets a matter of minutes before the attack.
Many of you will have seen that Air New Zealand has cancelled all turboprop flights out of Christchurch tonight and will review the situation in the morning.
"As soon as New Zealanders hear that someone was legally able to acquire, as I'm advised, those weapons and carry out this event, that will raise enormous questions with our gun laws, and that is why we will respond swiftly", Ardern said of the situation at her press conference.
The attacks, which were allegedly were performed by Australian man Brenton Tarrant, have shaken the world with many marks of respect and tributes flowing through social media and mosques around the globe.
"She came here for the peace.now she is shocked", he said, adding his mother was too afraid to leave her house.
Police said Tarrant tried to evade arrest and did not surrender voluntarily.
The names of the victims have been withheld by the court, but makeshift memorials have sprung up with flowers and notes honoring those affected and sending messages of hope and love.
Desperate for any news, families and friends of the victims gathered at the city's Hagley College, near the hospital.
Members of the Bangladesh team narrowly avoided being caught up in the shooting at the Al Noor mosque when they arrived for Friday prayers.
Roberson said a 4-year-old girl who has been transferred to an Auckland hospital in critical condition and 11 patients who remain in Christchurch are also critically wounded.
"There is a dimming of enlightenment in many parts of the world", Parker said.
Wahb said that although such heinous attacks create fear in the Muslim community, they also provide an opportunity to educate.
Tonight's Highlanders-Crusaders Super Rugby match in Dunedin has been cancelled.
David Parker, the country's attorney general, said New Zealand would ban semiautomatic weapons at a vigil Saturday but backtracked his comments later, The New York Times reported.
Tarrant's sickening film showed casualties crawling across the bloody floor of the Al Noor mosque as the terror suspect unloaded rounds into them.
The Crusaders are the defending champions in Super Rugby, a competition that involves teams from New Zealand, Australia, South Africa, Japan and Argentina. "Our investigations are in their early stages and we will be looking closely to build a picture of any of the individuals involved and all of their activities prior to this horrific event", Police Commissioner Mike Bush said.
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