The U.S. Food and Drug Administration today issued warning letters to four tobacco manufacturers — Swisher International Inc., Cheyenne International LLC, Prime Time International Co. and Southern Cross Tobacco Company Inc. — for selling flavored cigarettes that are labeled as little cigars or cigars, which is a violation of the Family Smoking Prevention and Tobacco Control Act. The companies received warning letters for products under the “Swisher Sweets,” Cheyenne,” “Prime Time” and “Criss-Cross” brands in a variety of youth-appealing flavors, including grape, cherry, wild cherry and strawberry.