A terroristic threats incident at a high school in Schuylkill County is under investigation.

State police at Schuylkill Haven said that at noon on Friday, an unknown person wrote "09-16-17 school goes boom" on the wall in a senior bathroom at Blue Mountain High School, 1076 W. Market St. in North Manheim Township.Anyone with information is asked to contact state police at Schuylkill Haven at 570-754-4600.