Beyond that, local officials cited the ongoing criminal investigation led by the Office of the State Fire Marshal. Investigators from the federal Bureau of Alcohol, Tobacco, Firearms and Explosives, as well as Cal-OSHA and others, are also investigating what unfolded in the late afternoon July 1.

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Yolo County officials confirmed Saturday afternoon that all seven of the missing workers' remains have been found on the scene after an explosion at a fireworks warehouse in Esparto on Tuesday. The coroner's office is still working to identify the remains.