BENTLEYVILLE, Pa. — An investigation continues into a cell phone fire Monday in the Bentworth School District. Superintendent Scott Martin says a classroom was evacuated after a students phone caught fire around 9 a.m. The statement said “Due to the fire originating from a lithium-ion battery, a Pennsylvania State Police Fire Marshal arrived on-site to investigate, and Washington County Haz-Mat personnel were also called to properly handle the disposal of the cell phone,” the statement said. No hazardous materials were found in the air and all students returned to their classrooms. (Photo: Bentleyville Fire-Rescue)