Pork carnitas products sold at Aldi stores nationwide maybe contaminated with pieces of metal, according to a public health alert from the U.S. Department of Agriculture's Food Safety and Inspection Service (FSIS).

The U.S. Department of Agriculture's Food Safety and Inspection Service advises buyers to throw out the product or return it to the store.

Federal officials issued an alert about a pork carnitas product that could be contaminated with metal fragments.