* A massacre at two mosques on Friday has left 50 dead and another 50 hurt.

* Authorities expect to be able to release all the bodies to their families by Wednesday.

* Immigration New Zealand will fast-track visa applications for the families of people killed or injured.

* Australian man Brenton Tarrant has so far been charged with one count of murder over the attack.

* The 28-year-old was not on any security watchlist in Australia or New Zealand.

* Tarrant travelled extensively overseas since 2010 and only spent 45 days in Australia in the past three years.

* He published a manifesto online ahead of the massacre, which he also to emailed to 30 people including NZ Prime Minister Jacinda Ardern.

* Ardern has vowed to strengthen the country's gun laws and is meeting with her cabinet on Monday.

* Counter-terrorism police have raided two homes on the NSW mid-north coast, including one that's believed to belong to the sister of the suspected gunman.

* Pressure is on social media companies to stop their platforms being used to spread terrorist material after the gunman live-streamed the attack on Facebook.

* Labor MP Anne Aly has called for a substantial change in the way far-right extremists are targeted by authorities.

* Australia's national security committee of cabinet will receive an urgent briefing from ASIO and police on the risk posed by right-wing extremists.

* Queensland independent senator Fraser Anning has been branded a disgrace for blaming the massacre on Muslim immigration.

* The government and Labor will move a censure motion condemning Anning when parliament returns next month.

* A-list celebrities including Madonna and Ben Stiller have donated thousands to a fundraiser for the victims' families and communities.

Australian Associated Press