Fireworks sparked and rippled nearby behind crumbled walls and strewn-about debris where three of her children had been working hours before. She called their names through heavy sobs. No one answered.

An investigation is ongoing after an explosion on Tuesday at a fireworks warehouse facility in Esparto as families are demanding answers and closure.

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.