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.

Walmart has recalled some shrimp products in 13 US states after one shipment of seafood tested positive for radioactive contamination. The US Food and Drug Administration said varieties of frozen shrimp sold under Walmart's Great Value label could have been exposed to a dangerous isotope in shipping containers.

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,