WACO, Texas (AP) — Pilgrim's Pride is expanding a 5 million pound recall of cooked chicken products.

Federal food safety regulators say the latest expansion by the largest poultry producer in the U.S. includes a variety of chicken products potentially contaminated with foreign materials. Food inspectors have found items such as wood, plastic, rubber and metal.

The U.S. Department of Agriculture said Friday that there have been no "confirmed reports of adverse reactions" due to consuming the products. But consumers are still urged to throw away or return the products.

The latest recall involves products produced in 2015 between May 6 and Dec. 3.

Federal regulators say the problem was first discovered after the company received several consumer complaints regarding plastic contamination of chicken nuggets.

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