ESPARTO, Calif. — The Yolo County Board of Supervisors proclaimed a local emergency Tuesday due to the deadly Esparto fireworks warehouse explosion.

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.