MINNEAPOLIS (WCCO) — Fairmont police say a threat posted to an anonymous internet application, Yik Yak, has prompted extra security precautions and officers in area schools this week.

On Saturday, police say they received a report about the single non-specific threat toward a school that would take place Monday. The comment did not reference a specific school or community.

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In response, Fairmont police “has been coordinating with area schools and law enforcement to provide security precautions in addition to standard security protocols practiced daily.” There will also be extra officer presence.

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Police are now working with internet providers to try and identify who is responsible for the threat. Anyone with information is asked to contact Fairmont police at 507-238-4481.

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A reward of $500 is offered to anyone with information leading to the arrest of the person or persons responsible for the threat.