A national Bureau of Alcohol, Tobacco and Firearms response team has been called to Esparto where seven people remain missing in the thunderous Tuesday blasts that leveled a firework facility and ignited spot fires in the small Yolo County town.

While searching for seven people who disappeared after massive explosions at a fireworks warehouse in the Esparto area, the Yolo County Sheriff's Office confirmed on Friday that it had found human remains at the site.