Seven people remain unaccounted for after a massive fireworks warehouse explosion in Esparto, California. Officials say they’re moving towards recovery efforts as families still wait for answers about their loved ones.

Seven people are missing after a warehouse holding fireworks caught fire and set off a series of massive explosions in Northern California late Tuesday.

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.