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.

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.