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.
Watch CBS News
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.
The Friends of Big Bear Valley announced that the chicks have been named Sandy and Luna.
Police allege the man was armed with a knife and an officer-involved shooting took place.
A Long Beach pizza joint is raffling off an old safe the owners found during a construction project.
A Los Angeles-based jazz trio had to cancel their West Coast tour after a truck containing all of their instruments and equipment was stolen from a hotel parking lot in Oakland.
An architect and developer who helped build the Palisades community is back at it again after his own home burned to the ground in last year's wildfire. He's designed and built a fireproof, luxury modular home that can be quickly assembled.
The Friends of Big Bear Valley announced that the chicks have been named Sandy and Luna.
Police allege the man was armed with a knife and an officer-involved shooting took place.
Earlier this month, Britney Spears voluntarily checked into rehab, a representative for the singer told CBS LA.
A Long Beach pizza joint is raffling off an old safe the owners found during a construction project.
A Los Angeles-based jazz trio had to cancel their West Coast tour after a truck containing all of their instruments and equipment was stolen from a hotel parking lot in Oakland.
The Friends of Big Bear Valley announced that the chicks have been named Sandy and Luna.
Police allege the man was armed with a knife and an officer-involved shooting took place.
A Long Beach pizza joint is raffling off an old safe the owners found during a construction project.
An architect and developer who helped build the Palisades community is back at it again after his own home burned to the ground in last year's wildfire. He's designed and built a fireproof, luxury modular home that can be quickly assembled.
The three victims were hospitalized with unknown injuries.
Ocean experts say to expect more shark sightings through the summer. "It is gearing up to be a sharky summer," said Chris Lowe, the director of the Shark Lab at California State University, Long Beach.
The redesignation of All American Way to Charlie Kirk Way is "in honor of slain activist Charlie Kirk," according to Westminster City Council documents. The name change was approved by the city council in a 4–1 vote last fall.
The crash happened at around 11:50 a.m. near Newland Street, police said.
Evacuation warnings were lifted on Sunday morning, firefighters said.
A bat found on the Fullerton College campus last week has tested positive for rabies, according to the Orange County Health Care Agency.
The Ontario Tower Buzzers teamed up with a pair of kids from the Make-A-Wish foundation to design unique jerseys for the Minor League Baseball team.
A 3.4-magnitude earthquake struck near the Riverside-San Bernardino county line on Wednesday night, which was then followed by a smaller 2.7-magnitude aftershock.
Police say that the driver of a Honda Civic lost control of their car, which veered off the side of the highway and rolled to the bottom of a steep embankment in Lake Elsinore on Wednesday afternoon.
A San Bernardino County high school coach was arrested for allegedly sleeping with a 15-year-old girl he met at a water polo match in October last year, police said.
Menifee police are seeking help from the public in locating a hit-and-run driver who struck and killed a 59-year-old man in December 2025.
The new format would add eight more at-large teams, and take eight more teams out of the main bracket for play-in games.
The regulatory agency issued the order after President Trump and first lady Melania Trump urged ABC to fire late-night host Jimmy Kimmel.
A federal appeals court rejected the Trump administration's policy of making immigrants subject to mandatory ICE detention without bond, including those who have lived in the U.S. for years.
Former FBI Director James Comey is again facing federal charges after the government's previous case against him was dismissed.
Federal prosecutors charged 34 defendants across two indictments, alleging sports betting and mafia-linked rigged poker games.
Top gubernatorial candidates met onstage at the CBS California Governor's Debate on April 28. Here are the highlights.
A federal appeals court rejected the Trump administration's policy of making immigrants subject to mandatory ICE detention without bond, including those who have lived in the U.S. for years.
Former FBI Director James Comey is again facing federal charges after the government's previous case against him was dismissed.
A closer look at voters' views on issues in the primary for the California governor's race going into Tuesday's debate.
Top candidates for California governor will face off in the CBS California Governor's Debate at 5:30 p.m. PST on Tuesday, April 28.
Voters in California may soon decide on a ballot measure that seeks to help the state's middle class afford to buy a home, by establishing a $25 billion loan program that would provide down payment assistance.
Some Trader Joe's shoppers will get a payout after a lawsuit alleged that the retailer's customer receipts put shoppers at risk of ID theft.
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.
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.
Voters in California may soon decide on a ballot measure that seeks to help the state's middle class afford to buy a home, by establishing a $25 billion loan program that would provide down payment assistance.
Some Trader Joe's shoppers will get a payout after a lawsuit alleged that the retailer's customer receipts put shoppers at risk of ID theft.
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.
Nkosi Tafari headed in Son Heung-Min's free kick in second-half stoppage time and LAFC beat Toluca FC 2-1 in the first leg of the CONCACAF Champions Cup semifinal.
Jabari Smith Jr. scored 22 points, Tari Eason added 18 and the Houston Rockets avoided playoff elimination for the second straight game with a 99-93 victory over the Lakers in Game 5.
Javier Sanoja singled in the go-ahead run with two outs in the eighth inning, lifting the Miami Marlins over the Los Angeles Dodgers 3-2.
Los Angeles Angels pitcher Yusei Kikuchi left a game against the White Sox in Chicago after two innings with left shoulder tightness.
Rookie Sam Antonnaci hit a tying triple with two outs in the ninth inning and Colson Montgomery had a winning single in the 10th, lifting the Chicago White Sox over Los Angeles 3-2 for a three-game sweep that extended the Angels' losing streak to six.
Just a week after the two-weekend Coachella Music Festival left Indio, the Empire Polo Club grounds were flooded by country music fans for Stagecoach. Police arrested 119 people during the three-day event, most of whom were arrested for possession of alcohol under 21 years of age.
The Stagecoach Music Festival was evacuated on Saturday night due to extreme winds blowing in the area.
Jake was at the funeral for one of his closest friends when he learned of his parents' deaths, he said.
During a court appearance on Thursday, Los Angeles County prosecutors said that singer D4vd, who was charged with murder in connection with the death of 14-year-old Celeste Rivas Hernandez, had a "significant amount" of child pornography on his cellphone.
Michael Tilson Thomas, the 12-time Grammy Award winning composer and famed conductor who led the San Francisco Symphony for a quarter century, has died.
Incumbent Mayor Karen Bass invited CBS LA's Tom Wait to her Baldwin Hills campaign headquarters to talk about her final campaign for public office.
Sam Yebri, a USC law professor and Jewish community leader, discusses the rise of antisemitism around Los Angeles and the fear instilled in many around him.
AI is forcing leaders in education to make changes to the way they teach students. Charlie Hannigan, from the USC Marshall School of Business, talks about changes to college courses and exams because of AI.
May Gray is returning to Southern California with low cloud coverage throughout the morning. There will be gradual clearing as the day goes on and temperatures will be up 5 to 10 degrees in the inland.
A Long Beach pizza joint is raffling off an old safe the owners found during a renovation project. Lauren Pozen 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.