School lockdown drills have become common — experts say they could be better
Before the Columbine High School shooting, schools prepared for fires and natural disasters. After the 1999 massacre, states enacted lockdown and active shooter drills.
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Before the Columbine High School shooting, schools prepared for fires and natural disasters. After the 1999 massacre, states enacted lockdown and active shooter drills.
The announcement appeared to be in response to widespread protests in recent weeks, including some of the boldest demonstrations China has seen in decades.
The campus was locked down shortly after the stabbing. It was lifted at about 5:45 p.m. later that night. Laurie Perez reports.
CBSLA has learned that Pasadena Police Department officers did apprehend the suspect.
Authorities were investigating a threat made at Montebello High School Thursday afternoon, which prompted an hours-long lockdown and evacuation of the student body.
The federal prison system has been placed on a nationwide lockdown after two inmates were killed and two others were injured Monday during a gang altercation at a federal penitentiary in Texas.
Measures could include public awareness campaigns, an array of programs at parks and senior centers as well as expanded mental health services.
The unions have sent a petition to the Los Angeles County Board of Supervisors, but Dr. Muntu Davis, county health officer, said Thursday that he does not think the county should go back into a full lockdown.
Two schools in North Hills, one of which is being used as a voting center, were placed on lockdown on Super Tuesday following reports of a man with a gun.
California State University Long Beach police have arrested a male student in connection with a threat made against the campus Monday afternoon.
After a "credible threat" forced a lockdown at California State University Long Beach Monday afternoon, many students said they did not feel safe.
Individuals on campus have been told to move indoors and shelter in place.
Los Angeles sheriff's deputies arrested a man suspected of reckless driving under the influence shortly before midnight.
The YMCA at Magnolia and Tujunga was placed on lockdown as authorities investigated.
A "jarring" nursery rhyme posted in a Massachusetts classroom to help prepare young children for a lockdown has gone viral.
Earlier in the day, police chased a stolen vehicle suspect and apprehended him not far from the school.
The shape of the charger led to confusion and chaos.
A small black bear spotted roaming a Rancho Cucamonga neighborhood Wednesday morning caused two schools to be locked down before it was tranquilized and carried back to the wild, authorities said.
Four San Bernardino City Unified School District schools were briefly placed on a security lockdown Tuesday after a shooting near a middle school. The lockdown came just hours after the Los Angeles Unified School District closed its doors to students due to a security threat that was later determined to be a hoax.
Police say they received a call about someone firing two rounds into the air "who was seen walking away with a shotgun".
A Hacienda Heights high school was placed on lockdown Monday after a student reported a threatening note that was found in a textbook.
A threat on a Twitter account Thursday prompted a lockdown at El Rancho High School in Pico Rivera, and authorities say a male student was detained for questioning.
The jail reportedly was taken off lockdown at 9:30 a.m. after officials were confident that no inmate had a weapon.
Deputies placed a high school on lockdown Tuesday after receiving report of a possible weapon on campus.
Multiple schools were placed on precautionary lockdown Monday while officials searched for a student.
A 17-year-old boy was arrested last week for allegedly spray-painting swastikas on the side of a Jewish temple in Burbank, according to police.
Anton Forsberg made 29 saves, Alex Laferriere scored in the second period and the Los Angeles Kings beat the Calgary Flames 2-0 on Saturday night to end a five-game losing streak.
Two people were arrested and two suspects remain at large for multiple catalytic converter thefts in the Los Feliz area early Friday morning, according to Los Angeles police.
Demonstrators took to the streets of Los Angeles on Saturday in the wake of a U.S. and Israeli strike on Iran overnight, which killed multiple Iranian officials, including Supreme Leader Ayatollah Ali Khamenei.
California Highway Patrol officers say that one of the cars drove over a barrier and into oncoming traffic where they collided head-on with another vehicle.
The U.S. and Israel attacked Iran, which responded with retaliatory strikes on U.S. bases in the region.
A rare celestial event will be taking place in the sky above California on Saturday night, as six planets are expected to be visible in what is being called a "planetary parade."
Americans weighed in on how long a conflict with Iran might last and what Congress should do.
A 17-year-old boy was arrested last week for allegedly spray-painting swastikas on the side of a Jewish temple in Burbank, according to police.
Two people were arrested and two suspects remain at large for multiple catalytic converter thefts in the Los Feliz area early Friday morning, according to Los Angeles police.
A 17-year-old boy was arrested last week for allegedly spray-painting swastikas on the side of a Jewish temple in Burbank, according to police.
Two people were arrested and two suspects remain at large for multiple catalytic converter thefts in the Los Feliz area early Friday morning, according to Los Angeles police.
Demonstrators took to the streets of Los Angeles on Saturday in the wake of a U.S. and Israeli strike on Iran overnight, which killed multiple Iranian officials, including Supreme Leader Ayatollah Ali Khamenei.
California Highway Patrol officers say that one of the cars drove over a barrier and into oncoming traffic where they collided head-on with another vehicle.
The Los Angeles Police Department was in pursuit of a stolen vehicle in the San Fernando Valley.
The Big Bear bald eagles have another clutch of eggs after losing their initial set earlier this season.
Rudy Martinez's family is demanding justice, saying their 36-year-old relative was shot and killed by an Anaheim police officer.
The National Guard's Weapons of Mass Destruction Civil Support Team works with local agencies during hazardous material investigations.
Police were called to the home for reports of "suspicious circumstances" by the property's landlord. They later handed the investigation over to FBI officials, who have been at the home since Monday.
The Santa Ana Police Department booked the inmate into the Theo Lacy Facility on Feb. 19 for vehicle theft, receiving a stolen vehicle and obstructing or resisting a peace officer.
The Big Bear bald eagles have another clutch of eggs after losing their initial set earlier this season.
Emotions ran high at a special meeting in Moreno Valley as city leaders addressed why it red-tagged and closed a local mall.
More than 20 years after a 27-year-old Indio man was fatally shot when leaving a party in La Quinta, Riverside County detectives have reopened the cold case to try finding his killer.
Documents from Moreno Valley's city attorney showed that the unresolved violations date back to at least March 2025.
San Bernardino police have shared information on a homicide suspect who is wanted in connection with a shooting that left a single mother dead in early February.
Americans weighed in on how long a conflict with Iran might last and what Congress should do.
Singer-songwriter Neil Sedaka, known for his hits like "Laughter in the Rain," "Breaking Up is Hard to Do" and "Calendar Girl," has died.
Some of the changes mirror Scouting America's suggestions to the Department of Justice, including discontinuing its Citizenship in Society merit badge.
Former President Bill Clinton denied any knowledge of Jeffrey Epstein's crimes in an opening statement before the House Oversight Committee in New York.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
Demonstrators took to the streets of Los Angeles on Saturday in the wake of a U.S. and Israeli strike on Iran overnight, which killed multiple Iranian officials, including Supreme Leader Ayatollah Ali Khamenei.
Americans weighed in on how long a conflict with Iran might last and what Congress should do.
Trump ally Sen. Lindsey Graham said the operation would be "violent, extensive and I believe, at the end of the day, successful."
President Trump says his objective in attacking Iran "is to defend the American people by eliminating imminent threats" from the regime in Tehran. Read his full statement and watch the video here.
President Trump said Saturday that "heavy and pinpoint bombing" of Iran would "continue, uninterrupted throughout the week or, as long as necessary."
San Francisco officials said Tuesday that the city has filed a lawsuit against leading manufacturers of ultra-processed foods, accusing them of producing products linked to serious health issues and alleging that the companies knowingly made the foods addictive.
A bill that would reverse a 25% tax increase on California's legal cannabis industry is heading to Gov. Gavin Newsom's desk, after being approved by the legislature.
Meal kit delivery firm HelloFresh will pay $7.5 million to settle a lawsuit accusing it of misleading customers and making it difficult for them to cancel their subscriptions.
With the help of her daughter and her 5th-grade class, CBS News California (KCAL) Investigative reporter Julie Watts investigates "Sephora Kids" concerns.
A Southern California man has pleaded guilty for his role in a scheme that stole more than $2 million from San Francisco-based food delivery company DoorDash, federal prosecutors said.
Riverside County health officials have reported the second and third measles cases of the year, which they say could be connected to the county's first case that was reported last week.
Health officials say that an unvaccinated minor visited the Walmart Supercenter in Ontario on Jan. 29.
Health officials said that the traveler arrived at LAX's Tom Bradley International Airport Terminal on a Viva Aerobus Flight on Jan. 26.
Orange County health officials have confirmed their second measles case of 2026 in an international traveler who arrived in California at Los Angeles International Airport before visiting Disneyland and California Adventure last week.
Millions of people with an Affordable Care Act health plan face a massive jump in premiums next year — this chart shows just how much.
A California judge has tentatively stopped the state from canceling commercial licenses for more than 20,000 immigrant truck drivers.
The Fremont factory will still manufacture Model 3 and Y, but the space where Model S and X are made will instead focus on mass production of Tesla's Gen 3 Optimus robots.
About 30% of San Francisco was without power at the height of the outage, according to utility provider PG&E.
The DMV said it is giving Tesla Motors 60 days to address its misleading use of "autopilot," or it could have its dealer license temporarily suspended.
California is set to join a growing list of states banning the practice of cat declawing, under a new law taking effect in January.
Anton Forsberg made 29 saves, Alex Laferriere scored in the second period and the Los Angeles Kings beat the Calgary Flames 2-0 on Saturday night to end a five-game losing streak.
No. 12 Nebraska beat Southern California 82-67 as Pryce Sandfort scored 32 points and the Huskers pulled away in the second half.
Bobby Durkin, Cade Tyson and Langston Reynolds combined to score 65 points to lead Minnesota past UCLA 78-73 on Saturday.
Chris Kreider beat Connor Hellebuyck off a rebound at 4:47 of overtime to give the Anaheim Ducks a 5-4 victory over the Winnipeg Jets on Friday night.
Anthony Edwards scored 31 points, Donte DiVincenzo added 18 and the surging Minnesota Timberwolves beat Los Angeles Clippers 94-88 on Thursday night.
Singer-songwriter Neil Sedaka, known for his hits like "Laughter in the Rain," "Breaking Up is Hard to Do" and "Calendar Girl," has died.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
The Rock & Roll Hall of Fame has announced its 2026 list of nominees, including Phil Collins, Mariah Carey, Wu-Tang Clan and more.
Nick Reiner, 32, was charged with two counts of murder in the killing of his parents, Rob Reiner and Michele Singer Reiner.
"Jersey Shore" star Nicole "Snooki" Polizzi said in a TikTok video that her results at a post-op appointment for a cone biopsy showed stage 1 cervical cancer.
A 17-year-old boy was arrested for allegedly spray-painting swastikas on a Jewish temple in Burbank, according to police.
Two people were killed and three others were hospitalized with major injuries after a two-car crash on the 23 Freeway in Moorpark on Saturday afternoon.
The intersection of Crenshaw Boulevard and Slauson Avenue in Los Angeles will officially become Nipsey Hussle Square on Saturday. Alys Martinez reports.
Runway for Recovery is the annual Runway Show that celebrates those who are fighting, remembers those who have passed, and inspires us to support those who have been impacted by breast cancer. Show founder Olivia Boger and model Michelle Gallegos join CBS LA.
It feels like summer in Southern California on the last day of February. Chloe Carlson reports.
Widely considered the greatest architect of his time, Frank Gehry helped shape Los Angeles' skyline.
A suspect was taken into custody after an attack on Pearl Street Mall in Boulder on June 1 in which there were 15 people and a dog who were victims. The suspect threw Molotov cocktails that burned some of the victims, who were part of a march for Israeli hostages.
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
The Franklin Fire in Malibu quickly grew overnight and threatened several homes. Evacuation orders were issued and Pepperdine University instructed students to shelter in place.
Several people have been injured and multiple homes burned after the Mountain Fire broke out Wednesday morning in Ventura County, burning over 10,000 acres within hours.
