Seven people were "unaccounted for" in Yolo County's town of Esparto after several explosions at a fireworks warehouse resulted in a fire, officials said.

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.

For the first time since massive fireworks explosions leveled a warehouse in the Esparto area of Yolo County, first responders were seen entering the blast zone to begin searching for seven missing people.