After multiple consumer complaints, the U.S. Department of Agriculture has issued a public health alert for some Wegmans chicken nugget products warning they may contain “extraneous material.” The frozen chicken nuggets were sold in Pennsylvania and seven other states, as well as the District of Columbia, according to a Jan. 27 notice.

The chicken nuggets “may be contaminated with extraneous material, specifically bone fragments,” the U.S. Department of Agriculture says.

Wegmans issued a recall for its store-brand frozen, breaded chicken breast nuggets over possible contamination with extraneous material, specifically bone fragments. The product, formally called “Wegmans Family Pack Fully Cooked Breaded Chicken Breast with Rib Meat,