Live Breaking News & Updates on Noun Trage Newtown Tragedy Last Year

Noun trage newtown tragedy last year. reporter: here in montgomery county, maryland at facilities like this, julius west middle school security procedures have been enhanced. and the incident in atlanta was a reminder they have to accelerate the process. the staff at mcnair academy outside of atlanta according to police handled this standoff well. trying to calm the shooter. then after he surrendered a quick evacuation of the children while police secured the scene. elsewhere in america, this is how they are preparing for those moments. i m getting confirmation that we have a shooter on the second floor. reporter: a full scale drill on how to respond at liberty middle school in west orange, new jersey complete with real police. these are the lessons from newtown when 26 students and teachers were killed. schools are putting in new protection, tweaking measures ....

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