A threatening statement prompted a lockdown at Rocky Hill High School on Tuesday and the school has resumed normal operations after no threat was found, according to district officials.
Superintendent of Schools Mark Zito said the threatening statement appeared in a Google document.
In response, the school was placed into a security lockdown where no visitors were allowed into the building and nobody was allowed to exit.
Officers responded to the school to investigate and school officials said on Tuesday afternoon that no credible threat was found.
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The district said it believes the account was accessed by an unauthorized person and the statement appeared briefly on two computer screens before being deleted.