Kellogg Co. said it is recalling of millions of boxes of Mini-Wheats cereal in the U.S. because of possible contamination by pieces of metal mesh.

Retailers have been contacted about the recall of 2.8 million packages of Frosted Mini-Wheats Bite-Size Original and Mini-Wheats Unfrosted Bite Size, which are being pulled from store shelves. The company blamed the contamination on "a faulty manufacturing part," and said no injuries had been reported.

Kellogg, headquartered in Battle Creek, Mich., is the largest cereal producer in the world and has had several such of product recallsthe past few years. It recalled a variety of cereals in 2010 because of odd colors and odors traced to improper packaging.

In this instance the boxes to be returned have the letters KB, AP or FK on the packages, located before or after the "best-before" date. These dates range from April 21 to September 21, 2013. For complete listings and other details of the effected cereals, go to: www.fda.gov/Safety/Recalls/ucm323202.htm