Given the nature of this event we should let the professional news people provide the information necessary to grasp the full scope of this and we will use the NPR news people and below that the BBC.
Only the first line will be quoted below from the NPR page and the beginning two lines of the BBC page.
49 Dead In 'Terrorist Attack' At 2 Mosques In Christchurch, New Zealand
March 14, 2019·10:41 PM ET // Updated at 4:37 a.m. ET
...........................Forty-nine people are dead and at least 20 are seriously injured in what New Zealand Prime Minister Jacinda Ardern says "can now only be described as a terrorist attack."
Christchurch shootings: Brenton Tarrant appears in court
16 March 2019
.The main suspect in the killings of 49 people in shootings at two mosques in New Zealand on Friday has appeared in court on a single murder charge.
Australian Brenton Tarrant, 28, was brought to the dock in a white prison shirt and handcuffs. Further charges are expected to be made against him.