McMURRAY, Pa. — School officials said an anonymous threat found inside Peters Township Middle School Friday morning prompted an evacuation.
Peters Township School District officials said the threat was found around 10:30 a.m.
Police were called to the school as students were moved by buses onto the McMurray Elementary campus.
Authorities swept the building and ruled it safe a short time later.
Officials said the students were kept warm on the buses while police conducted their investigation.