New Delhi, Aug. 20 -- 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, a radioactive isotope, in shipping containers and a sample of breaded shrimp imported from Indonesia.

The products could pose a "potential health concern" for people exposed to low levels of Cesium-137 over time, FDA officials said.

"If you have recently purchased raw frozen shrimp from Walmart that matches this description, throw it away," FDA officials said in a statement.

The risk from the recalled shrimp i...