California has seen a spate of accidental fireworks explosions leading up to the Fourth of July with a Wednesday morning detonation killing 1 in a Simi Valley home and a similar incident critically injuring two people in a Bay Area residence.

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 still "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.