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A bomb, a shooter, a hostage.

Six months ago, Irving ISD began planning a rehearsal of the worst that could happen at a school.

Then it did, in Newtown, Conn.

With students posing as themselves, and volunteers posing as victims and parents, Irving school resource officers played out how to respond to violence on a campus Friday.

Next week, the Irving ISD School Board will begin debate on a proposal that staff with concealed carry permits be allowed to keep guns inside their cars on campus.

News 8's Byron Harris has the story...

E-mail bharris@wfaa.com

Read or Share this story: http://www.wfaa.com/story/news/local/education/2014/08/18/14050462/