Yolo County declares a Local Health Emergency to address the aftermath of the Oakdale Fire fireworks explosion and calls for environmental assessment and cleanup.

Yolo County top health official declared Monday a local health emergency to assess if hazardous material spread across soil, water and crops bordering an Esparto warehouse filled with fireworks that exploded in July and killed seven people.

Yolo County officials have now released their determination for what killed the seven people in July's Esparto fireworks facility explosion. On Tuesday, the Yolo County coroner confirmed that all seven victims died from multiple blast and thermal injuries.