ESPARTO, Calif. — Seven people were missing Wednesday following an explosion at a fireworks warehouse in rural Northern California that caused a massive fire that spread to farm fields and forced evacuations in the surrounding community, authorities said.

The blast caused several spot fires and scattered large pieces of debris across a wide area, authorities said. The cause is under investigation.

Video shows a fireworks warehouse exploding, causing residents near the area to evacuate, according to officials. On Tuesday, a fireworks warehouse in Yolo County, California, exploded, according to the Yolo County Sheriff's Office. It was located northwest of Sacramento.