Seven people are missing after a massive explosion at a fireworks warehouse shook a rural California community, upending Fourth of July celebrations and leading to an investigation into the incident.

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.

YOLO COUNTY – Seven people were missing Wednesday afternoon, a day after a warehouse storing fireworks exploded in Yolo County, authorities said. The explosion also sparked a vegetation fire and triggered evacuations.