How to prepare for a mass shooting situation at your office

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ST. LOUIS, MO (KTVI) - Preparing for an active shooter attack is on our minds this week after the San Bernadino mass shooting. But you don't have to do it on your own. St. Louis County Police are ready to help.

If you suddenly came face to face with an armed intruder, would you turn and run, try to hide or fight? County police warn that it takes advance planning and practice to protect yourself.

Watch this training video from St. Louis County Police to learn tips to protect yourself.