FDA warns consumers to throw out potentially radioactive shrimp sold at Walmart

The U.S. Food and Drug Administration issued a warning to consumers who recently bought frozen shrimp from Walmart that the product could be contaminated with a radioactive chemical.

U.S. Customs and Border Protection alerted the FDA about the possible presence of Cesium-137, a radioactive isotope, in shipping containers with the frozen shrimp product.

Those containers were brought to four U.S. ports from Indonesia, including Los Angeles, Houston, Savannah and Miami. None of the contaminated containers or products were allowed entry into the U.S., the FDA said.

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"Although testing to date has not confirmed the presence of contamination in any product in commerce, the product appears to have be