Seven people remain missing after a warehouse filled with fireworks exploded Tuesday evening in Northern California, officials said.The blast occurred at a pyrotechnics facility in Esparto, located in Yolo County,

Rescue crews were searching on Thursday 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.

The company indicated that multiple people died in the incident three days before the Fourth of July, but officials have not issued a determination.