Walmart announced a recall on Tuesday for Great Value raw frozen shrimp products after the U.S. Food and Drug Administration detected a radioactive chemical that may pose a safety concern. The FDA detected Cesium-137, a radioactive isotope of Cesium, on a single shipment of frozen shrimp imported from Indonesian company PT. Bahari Makmur Sejati.

The FDA says to throw away certain Great Value frozen shrimp sold at Walmart in Louisiana and 12 other states. Here’s what you need to know.

Walmart has recalled some of its shrimp products in the US after radioactive material was detected in a shipment of seafood. The US Food and Drug Administration (FDA) warned the public not to eat frozen shrimp sold under Walmart's Great Value label could have been exposed to a dangerous isotope in shipping containers.