Threat puts Columbine High School on lockout

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Jefferson County Sheriff's deputies block entrances to Columbine H.S.

JEFFERSON COUNTY, Colo. — Law enforcement officials put Columbine High School on lockout Monday afternoon while the bomb squad responded to a threat.

Radio communications indicated the bomb squad was conducting a sweep of the parking lot outside the school.

The Jefferson County Sheriff’s Office posted a message on Twitter that said, “Columbine students/staff will stay “after school” until released by deputies. Safety is paramount to the inconvenience caused.”

The threat was called into the school at about 12:30 p.m.

The school went on lockout at that time, which means no one is allowed into the school without showing proper I.D.

No bomb was found and students were released just after 3 p.m. according to Jefferson County Sheriff’s Office spokeswoman Jacki Kelley.

The threat comes just days before the 13th anniversary of the shooting spree at Columbine.