Investigators from the Yakima Fire Department the federal Bureau of Alcohol, Tobacco, Firearms and Explosives are busy Today searching for clues that will lead them to an arsonist who started Saturday's fire at Fruit Packers Supply Inc,. The fire caused an estimated $20 million in damage and burned two buildings semi-trucks and cardboard packing used for the local fruit industry. All the roads around the business have reopened and the business is expected to re-open on Monday.