A plane crashes near Santa Clarita, California, killing the pilot.
A school shooting at Saugus High School in Santa Clarita, California, injures five students, two fatally. The 16-year-old gunman, identified as Nathaniel Berhow, shoots himself, is hospitalized, and dies a day later.
A dead body is found in the area of the Sand Fire near Santa Clarita that has doubled in size to more than 22,000 acres. Officials order mandatory evacuations for 1,500 homes in Little Tujunga, Sand, and Placerita canyons. The South Coast Air Quality Management District issues an alert for unhealthy air quality in affected areas.