Police Lethally Shoot Man Who Held Teacher Hostage At Riverside Elementary SchoolThe man was shot after holding 70-year-old teacher Linda Montgomery hostage for nearly 7 hours.
Horror Mask-Wearing Teen Arrested For Allegedly Pointing Gun At TeacherClasses will resume Thursday at De Anza Middle School in Ontario after a 13-year-old boy was arrested for running through the campus wearing a mask from the movie "Scream" and allegedly pointing a gun at a teacher.
Grant High School Locked Down Again After Second Online ThreatGrant High School in Van Nuys was locked down for a second day in a row to allow a bomb squad to search the campus, following an online threat.
Police: Drill Team Rifle Prompts Lockdown At 2 Simi Valley SchoolsA lockdown at two schools in Simi Valley was lifted after a report of a person armed with a long gun, walking onto one of the campuses, turned out to be someone carrying a drill team rifle.
Reports Of Man With Machete Prompts Lockdown Of 2 Santa Ana SchoolsTwo schools were briefly put on lockdown Tuesday while police tracked down a man who was allegedly threatening people with a machete in Santa Ana.
Search For Armed Suspects In Downey Prompts School LockdownTwo schools were put on lockdown Friday for about an hour as police searched for possibly armed suspects in Downey.
Police: 3 Students Trigger Middle School Lockdown After Taking Air Pistol To CampusMoreno Valley police said three students at Mountain View Middle School triggered a gun scare Wednesday when they allegedly brought an air pistol to campus.
Whittier School Locked Down After Boy Walks In With Stab WoundsFrontier Continuation High School was placed on lockdown Wednesday morning after a boy walked into the campus office suffering from stab wounds to his left arm and shoulder, police said.
Suspect Arrested At Canoga Park High School After 3 Hour LockdownPolice arrested a suspect Thursday believed to have dumped a loaded gun across from the Canoga Park High School and fled onto the school's campus, triggering a three-hour lockdown.
Suspect Barricaded In Garden Grove Home Prompts Lockdown Of Elementary SchoolA 35-year-old man reportedly wanted on multiple charges barricaded himself in a Garden Grove home Thursday afternoon, prompting officials to lock down a nearby elementary school.
Suspect Search Forces Lockdown Of San Fernando Valley SchoolsAuthorities locked down two San Fernando Valley schools Thursday following a fugitive search.
Attempted Murder Suspect Caught After Chatsworth High Locked DownAn attempted murder suspect has been taken into custody by police near Chatsworth High School.