The U.S. Department of Agriculture’s Food Safety and Inspection Service issued a public health alert on Monday for frozen, fully cooked Wegmans Food Markets breaded chicken breast nuggets due to possible contamination with bone fragments.

Wegmans issued the voluntary recall of its frozen chicken nuggets after bone fragments were found in the meat.

The nuggets included in the alert were sold in Pennsylvania, Delaware, Maryland, Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Virginia, and Washington, D.C.