CEDAR RAPIDS, Iowa (AP) — A fire broke out Saturday at a Quaker Oats plant in Iowa. There were no immediate reports of injuries.

The Cedar Rapids Fire Department said firefighters responded to the call at about 4:45 p.m. Video and photos posted to social media showed black smoke over the downtown of the city of about 140,000.

There was no immediate information on what caused the fire.

The Quaker Oats facility is the largest milling facility in the world. It processes over 2 million pounds (900,000 kilograms) of oats daily, according to the company’s website.

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