At least 16 people died and dozens more were wounded in a shooting at Sydney's popular Bondi Beach on Dec. 14 that targeted Australia's Jewish community, police and officials said.

In 2019, a 16-year-old student at Saugus High School in Santa Clarita, California, pulled a gun from his backpack and opened fire on his classmates in the school quad. Mia Tretta, then a 15