Rescue crews are searching for seven people still missing days after an explosion at a fireworks warehouse in Northern California shook a tiny farming community and forced the cancellation of nearby July Fourth celebrations.

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.

The girlfriend of one of three adult brothers who went missing in a fireworks factory explosion this week is speaking out, as she called the siblings 'three incredible men who had so much coming for them.