Criminal damage to the Bunker Hill School District buses caused school to be canceled on Thursday.

According to District Superintendent, Dr. Victor Buehler, sometime late Wednesday or early Thursday morning someone removed a valve stem from one tire on each of the district's nine buses causing the tires to go flat. The damaged was discovered at 6:20am.

Do to the damage and the cancelation of school, students will now attend school until May 28th instead of getting out for the summer on May 27th. Dr. Buehler adds that students who were to take the PARCC test on Thursday will now take on Friday.

Currently, the Bunker Hill Police Department and the Illinois State Police are investigating the incident.