2019 mass shooting in Santa Clarita, California, USA
Source (Wikipedia): 2019 Saugus High School shooting

On Thursday, November 14, 2019, at Saugus High School in Santa Clarita, California, United States, a school shooting occurred when a student with a pistol, identified as 16-year-old Nathaniel Berhow, shot five schoolmates, killing two, before killing himself.