OMAHA - An explosion and fire flattened part of an animal feed plant in Omaha, Nebraska, on Monday, killing at least two people and injuring at least 10 others, authorities said.



About 38 employees were working at the International Nutrition plant at midmorning when there was an explosion and part of the building collapsed, interim Fire Chief Bernard Kanger told a news conference.



At least two people were killed, and one of the bodies has been recovered, Kanger said. The other is expected to be recovered on Tuesday.



All employees have been accounted for, but authorities are not sure if there were any visitors in the plant, he said.



At least 10 people were taken to hospitals in Omaha and Lincoln. Four were in critical condition, Kanger said.



He described the explosion and fire as an industrial accident, and said an investigation would take weeks.



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