Yolo County authorities have officially identified all seven of the people who died in the Esparto fireworks warehouse explosion.

ESPARTO — Three brothers, two of them East Bay residents, were among seven people identified Friday by authorities in Yolo County as victims of an explosion at a warehouse storing fireworks. Investigations continue into the explosion’s fire and origin, and officials have not ruled out the possibility that criminal charges could come later.

Authorities identified the seven people who were killed last week when a Northern California fireworks warehouse exploded. Meanwhile, an investigation is ongoing.