SAN LUIS OBISPO, Calif. (AP) — Residents of California’s San Luis Obispo County received a series of unsettling erroneous emergency alerts as repairs were being made to a nuclear power plant’s siren system.
Emergency services manager Ron Alsop says a siren at the Diablo Canyon nuclear plant began wailing Friday afternoon for no apparent reason. Crews had upgraded the siren earlier in the day as part of a revamp of the emergency system.
County officials issued an alert message indicating there was no emergency, but that unknowingly sent a vague alert to cellphones in the area with a special tone and a message that there was a “civil emergency” and people should “prepare for action.”
When county officials realized the gaffe, they issued a final message stating that there was no cause for alarm.
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