Authorities in Colorado placed Columbine High School and at least a dozen other surrounding public schools under a “lockout” security alert on Tuesday, citing the investigation of an unspecified “credible threat.”
The alert comes four days before the 20th anniversary of the massacre at Columbine, when two heavily armed students at the suburban Denver high school fatally shot 12 classmates and a teacher before committing suicide.
We are currently investigating what appears to be a credible threat possibly involving the schools. Children are safe. Deputies are at the schools. Multiple schools are on lockout in Columbine area & Mountains. More details to come #JeffCo pic.twitter.com/LwS6VJKxdV
— Jeffco Sheriff (@jeffcosheriffco) April 16, 2019
— The Hill (@thehill) April 16, 2019
Tuesday’s lockout, less serious than a public safety “lockdown,” means that activities inside the schools may continue as usual but entry and exit is restricted, the Jefferson County Sheriff’s Office said on Twitter.
Officers were “investigating what appears to be a credible threat possibly involving the schools,” the sheriff’s department said on Twitter, adding that students were safe and additional deputies were dispatched to the schools.
Columbine High among more than 20 Denver schools on lockdown over “credible threat” https://t.co/LLMBRuaj8C
— The Daily Beast (@thedailybeast) April 16, 2019
A sheriff’s office spokesman, Mike Taplin, said the anniversary of the Columbine mass shooting was not a “direct” factor in the threat.
— The Washington Times (@WashTimes) April 16, 2019
— New York Post (@nypost) April 16, 2019
Reuters contributed to this report.
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