OCCIDENTAL, Calif. (KGO) -- Harmony Union School in Occidental is on a voluntary lockdown after threatening graffiti was found in a bathroom, officials said.
All students are safe, according to officials.
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There are two schools on the campus; one is kindergarten through first grade and the other is second through eighth grade.
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Sheriff's officials say the school will be in contact with parents.
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Harmony Union School in Occidental on voluntary lockdown after threatening graffiti found