LSG Sky Chefs has recalled several ready-to-eat sandwiches, salads and wraps sold in supermarkets, cafés and petrol stations nationwide, due to the possible presence of the listeria bacteria, Stuff reports. Naturezone brand chicken sandwiches sold at Caltex petrol stations in Auckland are affected by the recall. Customers are asked to check the date marking printed on the packaging and return affected products to retailers for a refund.