NEW : Seven Lakes High School in Katy is safe for students to return . The school district said it has been working with the Texas Department of Public Safety and Homeland Security since last week on a plan that would allow parents to pick up their children from school. It described a zip gun as any device altered to propel an object designed to cause harm . A student was taken into custody and charges are reportedly pending . NEW : A zip gun is a device altered to propel an object to cause harm .
NEW : Seven Lakes High School in Katy is safe for students to return . The school district said it has been working with the Texas Department of Public Safety and Homeland Security since last week on a plan that would allow parents to pick up their children from school. A student was taken into custody and charges are reportedly pending . NEW : A zip gun is a device altered to propel an object to cause harm .