Seven people are "unaccounted for" after several explosions at a fireworks warehouse resulted in a fire in Northern California's Yolo County, officials said.It happened Tuesday evening in the community of Esparto at Devastating Pyrotechnics.

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.

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