ESPARTO, Calif. (AP) — An explosion at a fireworks warehouse in northern California caused several fires, sending black smoke into the air and forcing evacuations, authorities said. There were no immediate reports of injuries.

Seven people are missing after a warehouse holding fireworks caught fire and set off a series of massive explosions in Northern California late Tuesday.

Explosions continued more than 24 hours after the blast caused several spot fires and scattered large pieces of debris across a wide area, officials said.