UPDATE: Shortly before 12:30 p.m. Monday, all students, teachers and staff received the go-ahead to return to the building. A sweep of the school returned no explosive devices and no suspect was identified. Allentown police continue to investigate, Melissa Reese, Allentown School District spokeswoman, told lehighvalleylive.com.
All students and staff were evacuated from William Allen High School Monday morning following another bomb threat, district officials said.
Melissa Reese, Allentown School District spokeswoman, told lehighvalleylive.com the district was made aware of the threat sometime Monday morning at the high school, 106 N. 17th St. in Allentown…