Getting your player ready...
Columbine High School in Jefferson County was on heightened security Monday morning after a threat.
The school, 6201 S. Pierce St., was put on “lockout;” classes continued as usual but no one was allowed to leave the building, Jeffco Public Schools said about 10 a.m. on Twitter.
The lockout was lifted at about 12:15 p.m., the school district said. No more information was released. Parents of students were notified of the situation.
Kieran Nicholson: 303-954-1822, knicholson@denverpost.com or



