school lockdown http://kbia.org en After precautionary lockdown, CPS reports students and staff safe http://kbia.org/post/after-precautionary-lockdown-cps-reports-students-and-staff-safe <p>The Columbia Public School District placed all district schools on what it calls a “modified lockdown” on Tuesday while law enforcement officials were engaged in a vehicle pursuit.&nbsp;</p><p> Tue, 18 Dec 2012 18:22:09 +0000 Janet Saidi 26099 at http://kbia.org After precautionary lockdown, CPS reports students and staff safe