By CBS3 Staff

DELAWARE COUNTY, Pa. (CBS) – Classes are canceled for all schools in the Southeast Delco School District on Friday after authorities discovered an online threat. On its website, the district says all schools and offices will be closed through this weekend.

The district says it got a tip Thursday night about a possible threat at Academy Park High School.

Academy Park High School

The website also says the school district has canceled all transportation and extracurricular events and will provide an update this weekend.