After what happened in Esparto and the large response that followed, CBS News California looked back at another large fireworks-related explosion in California to get an idea of how the investigation in Yolo County may develop.

Authorities say seven people are missing following an explosion at a fireworks warehouse in rural Northern California that caused a massive fire

S even people remain missing after a warehouse filled with fireworks exploded Tuesday evening in Northern California, officials said. The blast occurred at a pyrotechnics facility in Esparto, located in Yolo County, triggering a series of massive explosions that began around 6:02 p.m., according to fire authorities.