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.
Firefighters from the Los Angeles County Fire Department were dispatched to the end of the pursuit, where two people were pronounced dead.
Hoop dreams came true for some local girls basketball teams after the Los Angeles Clippers hosted the Parks and Recreation league finals at the Intuit Dome.
The 39-year-old man who allegedly stabbed a woman in downtown Los Angeles was wanted for allegedly killing someone at a homeless encampment last year.
Los Angeles Rams All-Pro wide receiver Puka Nacua was in rehab before he was sued for assault and battery by a woman who says he made an antisemitic statement and bit her on the shoulder, his attorney said on Wednesday.
CalOSHA fined the Los Angeles County Sheriff's Department more than $350,000 after inspectors found several violations in the deadly explosion that killed three deputies in 2025.
Firefighters from the Los Angeles County Fire Department were dispatched to the end of the pursuit, where two people were pronounced dead.
Hoop dreams came true for some local girls basketball teams after the Los Angeles Clippers hosted the Parks and Recreation league finals at the Intuit Dome.
The 39-year-old man who allegedly stabbed a woman in downtown Los Angeles was wanted for allegedly killing someone at a homeless encampment last year.
CalOSHA fined the Los Angeles County Sheriff's Department more than $350,000 after inspectors found several violations in the deadly explosion that killed three deputies in 2025.
After Lola escaped in 2021, Bluestone said she put up flyers, looked at shelters, and was hoping someone would call her because Lola was microchipped. Weeks turned into months, and nothing.
Firefighters from the Los Angeles County Fire Department were dispatched to the end of the pursuit, where two people were pronounced dead.
Hoop dreams came true for some local girls basketball teams after the Los Angeles Clippers hosted the Parks and Recreation league finals at the Intuit Dome.
The 39-year-old man who allegedly stabbed a woman in downtown Los Angeles was wanted for allegedly killing someone at a homeless encampment last year.
Los Angeles Rams All-Pro wide receiver Puka Nacua was in rehab before he was sued for assault and battery by a woman who says he made an antisemitic statement and bit her on the shoulder, his attorney said on Wednesday.
CalOSHA fined the Los Angeles County Sheriff's Department more than $350,000 after inspectors found several violations in the deadly explosion that killed three deputies in 2025.
With some non-citizens no longer eligible for Cal Fresh benefits, Orange County food banks are bracing for an influx of clients.
Honest drivers are now saving money after new cameras deterred toll violators from using the 91 Freeway's carpool lanes.
Renowned marine biologist Chris Lowe said the unusually warm winter has pushed young white sharks to Southern California's coastline.
A Santa Ana mother is missing after what was supposed to be a quick trip across the border to Tijuana.
United Airlines said the pilots saw the helicopter, received a traffic alert and leveled the aircraft.
An Apple Valley family who called 911 during an apparent burglary sued the San Bernardino County Sheriff's Department after a deputy shot one of their loved ones.
Honest drivers are now saving money after new cameras deterred toll violators from using the 91 Freeway's carpool lanes.
UC Riverside and Cal Baptist University will switch conferences ahead of the upcoming 2026 season after the Big West Conference and Pac-12 Conference announced a partnership on Tuesday.
A 32-year-old motorcyclist was killed in a crash near the Temecula Creek Inn on Tuesday afternoon, according to California Highway Patrol officers.
A U.S. Marine was detained at the Palm Springs International Airport on Monday after he allegedly tried to bring a live explosive round through airport screening, according to Riverside County officials.
"The scary scenarios are, unfortunately, extremely plausible" if the critical Persian Gulf waterway stays effectively sealed, economist Paul Krugman said.
NASA's Artemis II astronauts launched on a nine-and-a-half-day mission around the moon and back.
Tiger Woods announced Tuesday that he's "stepping away for a period of time to seek treatment" after pleading not guilty to charges including driving under the influence.
President Trump has long wanted to place additional restrictions on mail-in voting, which he has called "mail-in cheating."
Tiger Woods was arrested last week in Florida and charged with driving under the influence after a vehicle crash.
A federal judge directed the Trump administration to restore the legal status of migrants allowed into the U.S. under a now-defunct Biden administration program for asylum-seekers who arrived at the southern border.
President Trump is planning to deliver a prime-time address Wednesday night to "provide an important update on Iran," the White House said, as the president faces critical decisions in the monthlong war.
President Trump has long wanted to place additional restrictions on mail-in voting, which he has called "mail-in cheating."
A federal judge has temporarily blocked the Trump administration's construction of a 90,000-square-foot ballroom to replace the White House's East Wing,
California will require artificial intelligence companies to implement safety and privacy guardrails under a new order from Gov. Gavin Newsom.
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.
An unlicensed cosmetologist from Florida has been found guilty in a California court for providing an injection that killed a model who was known as a Kim Kardashian lookalike, prosecutors said.
LA County public health officials issued a bacteria warning at several beaches as a potentially record-breaking heat wave arrives in Southern California.
Food containing norovirus may smell and taste normal but still cause serious illness if consumed, FDA warns.
HHS Secretary RFK Jr. wants the popular coffee chains to prove their surgery drinks are safe for teens and suggested the Trump administration could place limits on your cup of coffee.
Tests of dozens of baby formulas by Consumer Reports found that nearly half contained potentially dangerous chemicals.
More than a dozen cities and counties across California were given a "final warning" from state officials Wednesday, saying they have failed to properly plan for additional new homes amid the state's lack of affordable housing.
A nonprofit that booked a Social Agent said it's a lot cheaper than hiring someone to do their social media full-time. A typical job runs about $200, with same-day delivery, and if clients already have footage, they can upload it and get a finished piece.
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.
Los Angeles Rams All-Pro wide receiver Puka Nacua was in rehab before he was sued for assault and battery by a woman who says he made an antisemitic statement and bit her on the shoulder, his attorney said on Wednesday.
Deni Avdija had 28 points, 11 rebounds and eight assists, Jrue Holiday hit seven 3s and finished with 30 points, and the Portland Trail Blazers beat the Los Angeles Clippers 114-104 and snap their five-game win streak.
Shohei Ohtani dominated in his first start on the mound this season as the Los Angeles Dodgers beat the Cleveland Guardians 4-1 in drizzly conditions.
Luka Doncic scored 42 points with 12 assists, Deandre Ayton added 18 points with nine rebounds, and the Los Angeles Lakers extended their winning streak to four games with a 127-113 victory over the Cleveland Cavaliers.
Cubs starter Jameson Taillon gave up two hits over 4 2/3 innings in his season debut.
A Las Vegas performer has sued Taylor Swift over the title of her hit album "The Life of a Showgirl," alleging it violates the performer's trademark.
Olivia Munn tells Tracy Smith about how she turned a symptomless Stage 1 breast cancer diagnosis into a mission to help other women.
The price hike raises the cost of the standard plan with ads by $1 per month and the cost of the standard and premium plans by $2.
Hollywood's biggest night is changing venues, with the Oscars ceremony moving from the Dolby Theatre to L.A. Live in 2029.
An unlicensed cosmetologist from Florida has been found guilty in a California court for providing an injection that killed a model who was known as a Kim Kardashian lookalike, prosecutors said.
Heat is going to be heading back to Southern California over the weekend. Temperatures on Thursday and Friday will remain below average with cool and breezy conditions.
LAFD firefighters rescued a pair of dogs from their burning home in Sherman Oaks.
Hoop dreams came true for some local girls basketball teams after the Los Angeles Clippers hosted the Parks and Recreation league finals at the Intuit Dome. Laurie Perez reports.
Michelle Bluestone got a call last month that she never expected to get: an animal shelter in Echo Park said they had her dog, Lola, and that she could come get her.
The 39-year-old man who allegedly stabbed a woman in downtown Los Angeles was wanted for allegedly killing someone at a homeless encampment last year.
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.
