The Brief

SAN TAN VALLEY, Ariz. - An investigation is underway after authorities say a child brought a loaded gun to an elementary school in San Tan Valley.

What we know:

The incident happened on Sept. 22 at Copper Basin K-8 , which is located near Copper Mine Road and Hunt Highway.

The Pinal County Sheriff's Office says an 8-year-old student brought a loaded 9mm handgun to the school and showed it to friends.

"A school employee saw this occurring and immediately intervened," PCSO said. "The child involved never made any threats to students or staff."

What we don't know:

It's unknown how the student obtained the weapon.

What they're saying:

The Florence Unified School District says the weapon was secured by school staff before deputies arrived.

"Florence Unified School Di

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