In addition, Edwards of Conwy is recalling 6 Traditional Pork Sausages as they contain wheat, which is not specified on the label. Both Tesco and Sainsbury's are urging customers to bring the sausages back into stores. Mars Wrigley is also recalling some of their M&M's Crispy products sold in Asda, Tesco, Morrisons, Sainsbury's and Iceland. This is due to the presence of a genetically modified organism (GMO) in one ingredient produced by a supplier. As a result, bosses have apologised for the inconvenience caused.