EAST FRANKLIN TOWNSHIP (KDKA) — An overturned tractor trailer sent emergency crews and the Hazmat team to Armstrong County Wednesday afternoon.

The accident happened after 4 p.m. near the Kittanning Bridge in East Franklin Township.

The truck flipped over, and officials say began leaking some type of substance.

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There’s no word yet on what caused the crash or if there are any injuries.

Stay with KDKA for the latest on this developing story.