The Keathley University Center on the campus of Middle Tennessee State University in Murfreesboro was evacuated Wednesday afternoon following a threat.
Students, faculty and staff members were alerted via text message at 2:07 p.m.
After the building was evacuated, MTSU police and Rutherford County officials conducted a sweep of the building.
The all-clear was given around 4 p.m. and the KUC reopened.
Murfreesboro police said Thursday morning the threat targeted one person but gave a specific time and place a bomb would be detonated.
No arrests have been made.
The investigation is ongoing.
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