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

The remains of at least some of the seven who are missing have been found at the site of Tuesday's deadly fireworks warehouse explosion in Yolo County, Calif.

The San Francisco-based company is known for staging large-scale fireworks displays across California and the U.S.