Pilgrim's Pride is expanding a 5 million pound recall that federal food safety regulators say includes a variety of chicken products potentially contaminated with foreign materials.

Friday's announcement is the second expansion of a recall that began in April after the largest poultry producer in the U.S. received consumer complaints regarding plastic contamination of nuggets, according the U.S. Department of Agriculture. The agency said there have been "no confirmed reports of " due to eating the .

Consumers are still urged to throw away or return the products. Food inspectors have previously announced finding items such as wood, plastic, rubber and metal.

The latest recall involves products produced in 2015 between May 6 and Dec. 3. Affected products include boxes and bags of various Green Dragon and Sweet Georgia Brand fully cooked chicken products, with a variety of packaging and use-by and sell-by dates.

More details are available online .