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.
Police say that the man suffered multiple gunshots to his upper and lower body.
Police say that both a black Chevy Camaro and a black Toyota Prius were involved in the collision.
Surveillance camera footage captured the moments when a hot air balloon had to make an emergency landing in the backyard of a Temecula home early Saturday morning.
A skydiver crashed into the scoreboard before Virginia Tech's spring football game.
The shooting was reported at 5:06 a.m. on the 12900 block of Bess Avenue.
Police say that the man suffered multiple gunshots to his upper and lower body.
Police say that both a black Chevy Camaro and a black Toyota Prius were involved in the collision.
Surveillance camera footage captured the moments when a hot air balloon had to make an emergency landing in the backyard of a Temecula home early Saturday morning.
The iconic Long Beach street race is one of the most technical and beloved circuits in motorsports, where speeds push nearly 200 mph.
A skydiver crashed into the scoreboard before Virginia Tech's spring football game.
Police say that the man suffered multiple gunshots to his upper and lower body.
Police say that both a black Chevy Camaro and a black Toyota Prius were involved in the collision.
A GoFundMe has raised $13,000 for the owners of Monrovia's Burger Basket after burglars stole the elderly couple's life savings.
Three people, including two pedestrians, were hospitalized with serious injuries after a crash in the San Fernando Valley.
The 432-square-foot home sits on an 8,500-square-foot lot, and real estate agent Garrett Rau says the real value is the land, so the asking price is a reflection of that.
After polling around 3% last month, former state attorney general Xavier Becerra jumped to 10% after Eric Swalwell dropped out of the California governor's race.
Irvine police said the man allegedly replaced expensive Lego sets with pasta before returning them to the store.
Fillmore, a 3-year-old German Shorthaired Pointer, is being praised as a hero after he alerted his family to a fire raging in their Orange County garage.
Since closing last year, Westminster Mall has been a headache for police, who've responded to hundreds of calls about vandalism.
John Eastman, Chapman Law School's former dean, lost his law license after he allegedly helped President Trump try to overturn the 2020 election results in Georgia.
Surveillance camera footage captured the moments when a hot air balloon had to make an emergency landing in the backyard of a Temecula home early Saturday morning.
After polling around 3% last month, former state attorney general Xavier Becerra jumped to 10% after Eric Swalwell dropped out of the California governor's race.
A California State University, Long Beach student is suing the school and his former fraternity for a deadly crash that happened near Temecula in 2025, which left him with severe injuries and one of his best friends dead.
Nearly 500 ducks that were seized from an illegal animal sanctuary in Riverside County were up for adoption on Wednesday.
The Springs Fire came dangerously close to destroying Moreno Valley's only 18-hole public golf course in early April, fueled by strong winds and dry weather.
A skydiver crashed into the scoreboard before Virginia Tech's spring football game.
President Trump has lobbed insults at Pope Leo XIV in response to his criticisms of the war in Iran, marking an unusually pronounced rupture between the leaders of the world's most powerful country and the world's largest Christian denomination.
Prices dropped after Iran's foreign minister said the Strait of Hormuz is "completely open" for the remainder of the Israel-Lebanon ceasefire.
The recall affects F-150 vehicles quipped with a six-speed automatic transmission produced between March 12, 2014, and Aug. 18, 2017, according to NHTSA.
"We are carrying back everything we learned, not only about where we went but ourselves," mission specialist Christina Koch told "CBS Evening News" anchor Tony Dokoupil.
The order will open the door for more research into psychedelic drugs, including ibogaine, sources told CBS News earlier this week.
President Trump has lobbed insults at Pope Leo XIV in response to his criticisms of the war in Iran, marking an unusually pronounced rupture between the leaders of the world's most powerful country and the world's largest Christian denomination.
After polling around 3% last month, former state attorney general Xavier Becerra jumped to 10% after Eric Swalwell dropped out of the California governor's race.
Todd Lyons, the acting head of U.S. Immigration and Customs Enforcement, is planning to leave the federal government later this spring.
House Democrats introduced articles of impeachment against Defense Secretary Pete Hegseth, claiming he has "demonstrated a willful disregard for the Constitution."
California Attorney General Rob Bonta and local prosecutors urged parents to check their children's e-bikes, saying some of the vehicles may be motorcycles or mopeds capable of high speeds.
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.
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.
California Attorney General Rob Bonta and local prosecutors urged parents to check their children's e-bikes, saying some of the vehicles may be motorcycles or mopeds capable of high speeds.
A home-based food movement has been heating up in California, with home cooks turning their beloved family recipes into small businesses.
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 Los Angeles Angels snapped the San Diego Padres' eight-game winning streak with an 8-0 victory.
Max Muncy homered twice, Tyler Glasnow allowed two hits in seven innings and the Los Angeles Dodgers rolled to a 7-1 win over the Colorado Rockies in frigid conditions.
The Angels will wear a memorial patch this season bearing Garret Anderson's initials, the team announced.
Arsenii Sergeev made 27 saves in his first NHL start, Zayne Parekh broke a third-period tie and the Calgary Flames beat the playoff-bound Los Angeles Kings 3-1 on Thursday night to end the season.
Troy Terry scored on a power play with 2:54 left, and the Anaheim Ducks beat the Nashville Predators 5-4 helping them clinch the third seed in the Pacific Division for the postseason.
The Hollywood Chamber of Commerce hopes to boost LA's film industry after an uptick in moviegoers returning to theaters.
Nearly 100 people were arrested during the first weekend of the 2026 Coachella Music and Arts Festival, according to the Indio Police Department.
Pop star Britney Spears has voluntarily checked into rehab following her DUI arrest in Ventura County in March, a representative for the singer told CBS LA.
The Pitt star Noah Wyle is the newest name on the Hollywood Walk of Fame, and the Pittsburgh-based show is a big reason why.
The rapper formerly known as Kanye West being denied entry into the U.K. has raised questions over the star's upcoming performance in Italy.
A good Samaritan was honored by both the Los Angeles Police Department and city leaders at the annual Supporters of Law Enforcement in Devonshire Pancake Breakfast Fundraiser in Northridge.
Hundreds of people descended upon Long Beach on Saturday to witness another day of Long Beach Grand Prix action.
Police are searching for the gunman who allegedly shot a man following an argument outside of a Tarzana party on Friday night.
A man was arrested after he allegedly stabbed an officer with the Long Beach Police Department on Friday afternoon, authorities said.
Surveillance camera footage captured the moments when a hot air balloon had to make an emergency landing in the backyard of a Temecula home early Saturday morning.
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.