The incident happened at Port Chester High School on Tuesday, Oct. 8 after staff received information about an online social media threat against a student, according to Port Chester Police.
A lockout was initiated out of precaution as police investigated the threat. It has since been lifted, the department said.
A person of interest was later identified and is now being interviewed, police added. Their name was not released.
This is a developing story. Check back to Daily Voice for updates.
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