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.
It happened at around 6:15 p.m. in the area near Carmen Drive and Coe Street, according to the Ventura County Fire Department.
The crash happened on southbound lanes of the 405 Freeway near the 10 Freeway.
Anthony Edwards won the Most Valuable Player award while leading his "Stars" team past their fellow Americans on the "Stripes" team 47-21 to win the final of the NBA All-Star Game.
A CBS News investigation found the FBI investigated more than 170 cases of passengers assaulting other passengers on flights in 2024.
Nancy Guthrie has been missing since Feb. 1 and her daughter, "Today" show co-host Savannah Guthrie, has posted several videos pleading for her return.
It happened at around 6:15 p.m. in the area near Carmen Drive and Coe Street, according to the Ventura County Fire Department.
The crash happened on southbound lanes of the 405 Freeway near the 10 Freeway.
Anthony Edwards won the Most Valuable Player award while leading his "Stars" team past their fellow Americans on the "Stripes" team 47-21 to win the final of the NBA All-Star Game.
A CBS News investigation found the FBI investigated more than 170 cases of passengers assaulting other passengers on flights in 2024.
Nancy Guthrie has been missing since Feb. 1 and her daughter, "Today" show co-host Savannah Guthrie, has posted several videos pleading for her return.
It happened at around 6:15 p.m. in the area near Carmen Drive and Coe Street, according to the Ventura County Fire Department.
The crash happened on southbound lanes of the 405 Freeway near the 10 Freeway.
Terrance Crawford, 19, allegedly stabbed his stepfather, Bruce Whitney, multiple times on Sunday afternoon.
Police said that officers were in pursuit of a stolen vehicle suspect when the crash happened.
The hit-and-run driver who killed 21-year-old Benjamin Montalvo was released from prison less than three years into her nine-year sentence on Saturday.
Deputies said that the suspect was the estranged spouse of a woman who was found stabbed to death in the 26000 block of Laruelwood Lane early Saturday.
Video shows immigration agents beating Narciso Barranco, the father of three U.S. Marines, after he was restrained on the ground.
An Orange County family was sailing near San Clemente when a sick lion named Chump hopped aboard their boat.
Wildlife activist Sandy Steers, who spearheaded the eagle nest cam, has died, according to the Friends of Big Bear Valley.
Dramatic video shows the moments when a tortoise safely scampers away from a burning shed in the backyard of a home in Fullerton over the weekend.
The hit-and-run driver who killed 21-year-old Benjamin Montalvo was released from prison less than three years into her nine-year sentence on Saturday.
An 80-year-old man was struck and killed by a hit-and-run driver in Apple Valley on Friday night, according to the San Bernardino County Sheriff's Department.
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.
San Bernardino firefighters may soon have a new weapon against California wildfires: water-dropping drones.
The San Bernardino County Sheriff's Department closed its Apple Valley Police Station after a resident brought in what appeared to be Civil War-era cannonballs.
A CBS News investigation found the FBI investigated more than 170 cases of passengers assaulting other passengers on flights in 2024.
Nancy Guthrie has been missing since Feb. 1 and her daughter, "Today" show co-host Savannah Guthrie, has posted several videos pleading for her return.
Collin Morikawa had to wait more than two years to win again on the PGA Tour.
Nancy Guthrie, the mother of "Today" show co-host Savannah Guthrie, was last seen on Jan. 31 and was reported missing the following day, Feb. 1.
Casey Wasserman, the chair of the 2028 Los Angeles Olympics organizing committee, says he is selling his eponymous talent agency in the wake of the release of emails between himself and Ghislaine Maxwell.
President Trump met with Israeli Prime Minister Benjamin Netanyahu in December at Mar-a-Lago with Mr. Trump saying the U.S. would support strikes if no deal was made with Iran.
Casey Wasserman, the chair of the 2028 Los Angeles Olympics organizing committee, says he is selling his eponymous talent agency in the wake of the release of emails between himself and Ghislaine Maxwell.
President Obama spoke about the "unprecedented nature" of what he said Immigration and Customs Enforcement agents did in Minnesota.
The Sacramento region has the third-highest DUI rate in the nation. Now, state lawmakers are considering a new booze ban to prevent any more tragedies.
It's the second time in as many weeks that government funding has lapsed as Democrats and the White House remain at an impasse over immigration enforcement policies.
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.
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.
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.
Anthony Edwards won the Most Valuable Player award while leading his "Stars" team past their fellow Americans on the "Stripes" team 47-21 to win the final of the NBA All-Star Game.
Collin Morikawa had to wait more than two years to win again on the PGA Tour.
Kiki Rice had 17 points and nine rebounds, Lauren Betts added 16 points and 14 rebounds, and No. 2 UCLA beat Indiana 92-48 to extend its win streak to 19 games.
LeBron James still hasn't decided whether his unprecedented 23rd NBA season will be his last.
Mikaela Shiffrin, who is the winningest athlete on the World Cup circuit, has now failed to win a medal in eight straight Olympic events since the 2018 Winter Games in PyeongChang.
The death of "Dawson's Creek" actor James Van Der Beek highlights a rising trend in colorectal cancer among young adults.
"Dawson's Creek" and "Varsity Blues" star James Van Der Beek has died at 48 years old.
The 31-year-old Puerto Rican artist Bad Bunny took the stage on Sunday dressed in all white, donning a jersey with his last name, Ocasio, and the number 64.
Reactions poured in when Bad Bunny was named Super Bowl halftime headliner, with some praising and others criticizing the choice.
Brad Arnold, the founder and lead singer of the 3 Doors Down has died following "his courageous battle with cancer," the rock band announced Saturday on social media.
The LA Chinatown Firecracker 10k on March 1 looks to provide a boost to local businesses and raise money for schools and nonprofits. Committee member Michelle Yu and parade chair Mamie Hong Weinberg join CBS LA.
A person was killed in a shooting in North Hollywood early Sunday morning. Alys Martinez reports.
Rain is on its way in Southern California this week. Alex Biston reports.
Three Los Angeles Police Department officers were hospitalized late Saturday night after their patrol cars collided during a pursuit with a stolen vehicle suspect near Reseda. Hunter Sowards reports.
Three Los Angeles Police Department officers were hospitalized late Saturday night after their patrol cars collided during a pursuit with a stolen vehicle suspect near Reseda.
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.
