AURORA, Colo. (CBS4) – School security put Prairie Middle School and Overland High School on lockdown Wednesday. Concerned parents began showing up to the school at around noon.

(credit: CBS)

Aurora police say it started with a treat on Snapchat which indicated a student may have a gun in a restroom.

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Police questioned three students. They determined the gun was a toy which investigators later found off school grounds.

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An anonymous way for students, parents, school staff and community members to report concerns regarding their safety or the safety of others.

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