WJAC reports that classes resumed after having 3 days off after a threat was found taped to a door at the school on Monday. Police are still searching for the person responsible for leaving the detailed letter depicting what was going to happen at the school. Upper Yoder Twp police said yesterday that students and staff were given the ok to go back to school, even though the search for the suspect continues. There have been no other threats posted at the school since Monday.