By: KDKA-TV News Staff

PITTSBURGH (KDKA) – All buildings in the Pittsburgh Public Schools district will operate today in a modified lockdown.

READ MORE: Several School Districts Make Changes Amid Social Media Threats

The district made the decision out of an abundance of caution due to a social media post that has been circulating.

READ MORE: Threat Made On TikTok Causes Seneca Valley School District To Move To Remote Learning

“While we do not believe the threat to be credible, we take all threats seriously,” the district said in a statement.

For students and staff, a modified lockdown means that they will remain inside the building and only visitors with a prior appointment are permitted to enter school buildings.

MORE NEWS: Pittsburgh-Area Schools Increasing Security Over TikTok Challenge Threatening Violence

Pittsburgh Public Schools Police contacted the Pittsburgh Police in regard to the threat.