Preschool students were evacuated Friday afternoon after someone called in a bomb threat to the Growing Tree Preschool in Chambersburg.
State police confirm the school received a phone call around 2 p.m. from a person who said a device would go off as the children were being dismissed for the day.
The school is located along the 100 block of Social Island Road.
Investigators said all students and faculty have been safely evacuated.
Chambersburg State Police are currently on the scene with a bomb sniffing dog.
The incident is ongoing and people are asked to avoid the area.