The district announced on its website that police, school resource officers and others were investigating the threat.

Ladue Horton Watkins High School cancels classes after a bomb threat, with safety measures enacted and an ongoing investigation.

Hudson Bend Middle School was placed on a hold Wednesday after someone called in a bomb threat, according to Lake Travis ISD.

The district announced on its website that police, school resource officers and others were investigating the threat.

Hardin Valley Middle School evacuated for a bomb threat, according to the Knox County Sheriff’s Office. The news came Wednesday morning, with the office adding that the Explosive Device Unit was on the way,