TERRE HAUTE, Ind – Terre Haute North High School was placed on a “lockout” Tuesday afternoon just before 2:30.

The school corporation became aware of a threat and called in city police.

A “lockout” means external doors are locked and no visitors are allowed in the building. Classroom activity proceeds as normal.

School officials announced around 2:45 that the “lockout” was lifted and that the threat at the school was found to be “not credible”.

Afternoon dismissal proceeded as normal.