EAST GREENVILLE, Pa. -

A possible bomb threat brought  authorities to Upper Perkiomen Middle School in Montgomery County Friday afternoon.

According to the district's website, a threat was discovered on a bathroom wall in the school in  East Greenville.  

It happened around 2:30.

Some students and faculty members were forced to leave the school.

After a search involving K-9s... the school was declared safe.

School activities will resume as normal on Monday.