The US Food and Drug Administration on Tuesday urged the public not to eat certain bags of frozen raw shrimp sold at Walmart, citing concerns about unsanitary conditions and radioactive contamination found in shipments from the same supplier.

Some packages of Great Value frozen shrimp sold at Walmart are at risk for potential for Cesium-137 contamination, the FDA says.

Walmart has recalled frozen, raw shrimp sold in 13 states because federal health officials say it could have potential radioactive contamination. The U.S. Food and Drug Administration asked Walmart to pull three lots of Great Value brand frozen shrimp from stores after federal officials detected Cesium-137,