Tarrant appeared in court on Saturday where he was charged with one count of murder under the Crimes Act.
Australian TV news networks have shown what they say are the mother and sister of alleged Christchurch mass killer Brenton Tarrant returning to their homes in eastern Australia with police searching for clues in the New Zealand mosque attacks.
Tarrant, described by Australian Prime Minister Scott Morrison as an "extremist, right-wing, violent terrorist", will re-appear in court on April 5.
All five guns used in Friday's rampage were purchased legally in New Zealand, including two semi-automatic rifles.
Police Commissioner Mike Bush said police would be out in force to assure people as they returned to their weekday lives in Christchurch, with 200 extra police staff on duty.
Speaking to the Manchester Evening News, Andrew said: "I woke up on Friday morning and I heard the bad news about the killings in the mosque in Christchurch in New Zealand". We detected nothing extraordinary about the licence holder.
The 28-year-old was not on any security watchlist in Australia or New Zealand.
Currently, New Zealanders are able to surrender their firearms to police at any time. "Once you obtain a license you can purchase a lot of firearms and there is no record of how many firearms you actually own".
While she said details were being worked through, cabinet has been looking at a ban on semi-automatic assault rifles, tighter licensing rules and the issue of modified weapons.
Over the weekend and into Monday, tens of thousands of people flocked to memorial vigils around New Zealand and a victim support website raised more than NZ$5.5 million ($3.8 million). A Washington Post search of keywords related to the event, such as "New Zealand", surfaced a long list of videos, many of which were lengthy and uncensored views of the massacre.
"It did not include a location; it did not include specific details", she said.
He downplayed suggestions that the Muslim community were concerned by the time it was taking to identify the victims and release their bodies in line with Islamic convention, which calls for burial within 24 hours of death.
"It absolutely staggers me that a sign like that is allowed to be put out, advertising guns with a couple of kids", said Richard Griffiths, whose medical practice is near the Linwood Mosque where seven were killed.
Mo, a volunteer who had flown in from Brisbane to wash the bodies, said the people who died in the mosques were classified as martyrs. The decision was motivated by "respect for the people affected by this tragedy and the concerns of local authorities", she said.
The two mosques involved in the shootings have been closed since the massacre, but are expected to reopen by Friday prayers after cleansing blessings were carried out, said Haumaha.
"You know I have lots of support, lots of love, lots of kindness from all of the New Zealand people".