NEW CASTLE, Del. (CBS) —  Crews battled a fire at a plant that reportedly makes roofing products in Delaware.

Chopper 3 was over the scene of the blaze on Hay Road in Edgemoor.

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A tank containing roofing tar reportedly caught fire Thursday afternoon.

Heavy smoke could be seen billowing from the top of the tank.

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No injuries were reported.

The cause of the fire is under investigation.

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