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

The blast caused several spot fires and scattered large pieces of debris across a wide area, authorities said. The cause is under investigation.

Seven people are missing after a huge explosion at a warehouse in Esparto, Calif., that sent bright fireworks across the area and ignited a brush fire.