UPDATE 1-U.S. fast-food chain Del Taco explores sale -sources
June 25, 2014 at 11:11 AM EDT
NEW YORK, June 25 (Reuters) - U.S. fast-food chain Del Taco, which specializes in Mexican cuisine as well as American favorites like burgers and fries, is in the early stages of exploring a sale that could fetch more than $500 million, people familiar with the matter said on Wednesday.