Katy : Seven Lakes High School in Chicago is safe for students to attend . NEW : About an hour later , authorities told district officials that a possible bomb was found in the building . A student was taken into custody and charges are reportedly pending . NEW : A zip gun is a device altered to allow an object to cause damage .
Katy : Seven Lakes High School in Chicago is safe for students to attend . NEW : A student was taken into custody and charges are reportedly pending . NEW : A zip gun is a device altered to allow an object to cause damage .