Possible pepper spray forces Mesa High evacuation

An incident possibly involving pepper spray forced the evacuation of Mesa High School on Thursday, the Mesa Fire Department said in an email.

The incident was reported about 2:45 p.m. as students were preparing to head home for the day. Authorities believe an unidentified person discharged pepper spray in a first floor hallway.

As a precaution, the fire department’s hazardous materials team was brought in to inspect the substance.

Several students were assessed for pepper spray-like symptoms, but none were treated and no one was injured.