White supremacists also accomplished this:
After 49 people were gunned down in terrorist attacks at two mosques in Christchurch, New Zealand, on Friday, the prime minister is vowing to change gun laws....
Forty-two others were injured, including two critically, in what became "one of New Zealand's darkest days," New Zealand Prime Minister Jacinda Ardern said.
Ardern said Saturday, "While the nation grapples with a form of grief and anger that we have not experienced before, we are seeking answers."
She vowed that “while work is being done as to the chain of events that led to both the holding of this gun license and the possession of these weapons, I can tell you one thing right now: Our gun laws will change.”
https://www.yahoo.com/gma/multiple-dead-reported-shooting-attack-zealand-mosque-024735764--abc-news-topstories.html