AdvertisementNew Zealand Passes Law Banning Most Semi-Automatic WeaponsApril 10, 2019Matthew S. SchwartzfacebookEmailJacinda Ardern, New Zealand's prime minister, speaks during a news conference in Wellington, New Zealand, on March 21. New Zealand has banned military style semi-automatics and assault rifles and will establish a nationwide buyback of the weapons as a result of the terrorist attack on two mosques that left 50 people dead. (Bloomberg via Getty Images)