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.
Rick Caruso, the runner-up in the Los Angeles Mayoral race four years ago, announced he will not pursue elected office at this time.
Paramedics rushed a man to the hospital in critical condition after an assault in Beverly Hills.
Alfaro's eldest daughter said she heard gunshots while she was asleep, and that her father appeared near her with a gun, and allegedly shot at her several times, but he missed.
The Muhammad Ali Forever stamp features simply and boldly, a black and white 1974 Associated Press picture of Ali in his signature boxing stance.
FilmLA released a report that found that movie and film shoot days were down by 16% in 2025 compared to 2024, but says there could be a steady increase due to tax incentives.
A 21-year-old who demonstrated in Santa Ana, California, against the shooting death of Renee Good says exercising his right to free speech nearly cost him his life.
Rick Caruso, the runner-up in the Los Angeles Mayoral race four years ago, announced he will not pursue elected office at this time.
Paramedics rushed a man to the hospital in critical condition after an assault in Beverly Hills.
Alfaro's eldest daughter said she heard gunshots while she was asleep, and that her father appeared near her with a gun, and allegedly shot at her several times, but he missed.
Mexican president Claudia Sheinbaum has sought to placate President Trump and build a strong relationship between the U.S. and Mexico.
Rick Caruso, the runner-up in the Los Angeles Mayoral race four years ago, announced he will not pursue elected office at this time.
Paramedics rushed a man to the hospital in critical condition after an assault in Beverly Hills.
Alfaro's eldest daughter said she heard gunshots while she was asleep, and that her father appeared near her with a gun, and allegedly shot at her several times, but he missed.
The Muhammad Ali Forever stamp features simply and boldly, a black and white 1974 Associated Press picture of Ali in his signature boxing stance.
FilmLA released a report that found that movie and film shoot days were down by 16% in 2025 compared to 2024, but says there could be a steady increase due to tax incentives.
After his son died while hiking Mount Baldy, Kenneth Muensch Casanova called on Angeles National Forest officials to require permits on the dangerous mountain.
A Santa Ana community scrambled to ensure their 101-year-old neighbor wasn't left behind when a fire broke out in her condo.
Orange County prosecutors said the suspect was allegedly sex trafficking a 17-year-old girl in Anaheim.
Irvine police are looking for a woman who left a Bible on a doorstep after stealing a package in Irvine.
The abandoned Westminster Mall has turned into a hotspot for vandalism since shuttering in late 2025, according to police who are attempting to raise awareness about the issue.
After his son died while hiking Mount Baldy, Kenneth Muensch Casanova called on Angeles National Forest officials to require permits on the dangerous mountain.
"If you don't have the training or the right equipment, you will end up like I did," said Manny Vasquez, who fell 300 feet while hiking up Mount Baldy.
The San Bernardino County Board of Supervisors approved the fee waivers to eligible property owners, primarily in Wrightwood, Lytle Creek, Phelan, Piñon Hills, Hesperia, and areas near Mt. Baldy.
A driver who was possibly driving under the influence triggered a deadly wrong-way crash on the 215 Freeway in Riverside early Wednesday morning, according to California Highway Patrol officers.
Firefighters said that the woman suffered severe burns when she escaped from the burning mobile home at around 11 a.m on Tuesday.
Mexican president Claudia Sheinbaum has sought to placate President Trump and build a strong relationship between the U.S. and Mexico.
A 21-year-old who demonstrated in Santa Ana, California, against the shooting death of Renee Good says exercising his right to free speech nearly cost him his life.
Kyle Tucker has agreed to a $240 million, four-year contract with the Los Angeles Dodgers, bolstering the franchise's chance for a third consecutive World Series championship.
Authorities said the alleged scheme involved 39 players, 17 different NCAA Division I men's basketball teams and 29 games.
California Gov. Gavin Newsom says he is blocking Louisiana's effort to extradite a California doctor accused of mailing abortion pills out of state.
Mexican president Claudia Sheinbaum has sought to placate President Trump and build a strong relationship between the U.S. and Mexico.
President Trump and California Gov. Gavin Newsom are both pitching plans to restrict corporations from buying single-family homes.
An Immigration and Customs Enforcement officer shot a man Wednesday night in north Minneapolis after allegedly being attacked by men with shovels during an arrest operation, three U.S. officials told CBS News.
The State Department announced it will stop giving out visas to nationals of dozens of countries who are seeking to move to the U.S. permanently.
A panel for the U.S. Central District Court of California ruled Democrats can proceed in using their redrawn congressional maps for the 2026 midterm elections.
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.
Millions of people with an Affordable Care Act health plan face a massive jump in premiums next year — this chart shows just how much.
"I don't know how I'm going to pay for this," said one person with an Affordable Care Act plan that will cost her $1,100 a month starting in January.
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.
In an interview with CBS News, FDA Commissioner Dr. Marty Makary explains what went into the decision to drop the most serious warnings on hormone therapy for menopause.
At least 11 people have contracted Salmonella linked to powder supplements sold at Sam's Club stores nationwide, health authorities said.
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.
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.
Waymo has begun offering autonomous robotaxi service using freeways for the first time in select cities in California and Arizona, the company announced.
Kyle Tucker has agreed to a $240 million, four-year contract with the Los Angeles Dodgers, bolstering the franchise's chance for a third consecutive World Series championship.
Authorities said the alleged scheme involved 39 players, 17 different NCAA Division I men's basketball teams and 29 games.
FIFA says it has received over 500 million ticket requests for 2026 World Cup matches in the U.S., Canada and Mexico— with prices as high as $8,680.
Mark Stone scored 25 seconds into overtime, Jack Eichel had three assists and the Vegas Golden Knights beat the Los Angeles Kings 3-2 on Wednesday night.
Kawhi Leonard scored 33 points and James Harden added 22 points as the Los Angeles Clippers extended their winning streak to four games with a 119-105 victory over the Washington Wizards.
Another allegation against Busfield was reported to law enforcement the same day he turned himself in, according to a court filing.
In a video provided to TMZ on Tuesday, Timothy Busfield said the allegations "are all lies."
Scott Adams, the cartoonist who created the "Dilbert" comic strip, has died at the age of 68, his first ex-wife revealed on Tuesday.
From historic wins to powerful speeches, here are the highlights and most memorable moments from the 2026 Golden Globes.
The 2026 Golden Globes honored the standouts in both film and television from last year. See the full list of winners and nominees.
Witnesses told investigators that the suspect used his vehicle to harm the victim, according to the Beverly Hills PD. Investigators did not immediately determine if the victim and suspect knew each other before the alleged assault.
Rick Caruso, the runner-up in the Los Angeles Mayoral race four years ago, announced he will not pursue elected office at this time. Tom Wait reports.
Are you confident that your garden will withstand strong winds, fire or drought? CBS LA's Rina Nakano talks to an expert about the keys to growing resilient landscape.
Chuck Dickerson, Inner City Youth Orchestra of Los Angeles founder, talks about the program and the free MLK celebration concert takes place at the Skirball Cultural Center.
Events and things to do this weekend | Selena: From Texas to the World, Asian American Expo at Fairplex, Smorgsaburg LA at ROW DTLA, and King Day at CAAM.
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.
