WEST MIFFLIN (KDKA) — A pepper spray incident was reported at West Mifflin Middle School.

It happened sometime Monday morning.

Police say one female was treated at the school for being hit with the pepper spray. Multiple students were reportedly affected by the substance.

It is not clear who discharged the pepper spray or why.

Officers have not released any further details.

This is a developing story, stay with KDKA and KDKA.com for more information. 

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