UNICOI COUNTY, Tenn -

A man has been arrested in Unicoi county for threatening a school on a social networking app.

Unicoi county sheriff Mike Hensley tells us someone posted on the app "Street Chat", saying that students would be killed at a unicoi county school.

The sheriff's department has arrested a man who they believe is connected to the post.

Hensley said Unicoi county schools are safe and school will go on as planned tomorrow.