VIDEO: California fireworks warehouse explodes, forcing evacuations

California fireworks warehouse explodes

A warehouse in Yolo County, California blows up.

YOLO COUNTY, Calif. - A warehouse carrying fireworks exploded in Northern California, forcing evacuations for parts of Yolo County. As of Wednesday, seven people were unaccounted for. 

What we know:

The explosion took place near County Road 23 and County Road 86A in the Esparto area, about 40 miles west of Sacramento, around 6 p.m. on Tuesday, July 1. 

Video shared by KCRA-TV showed the moments the boom happened and the fire destroyed the warehouse.

The explosion ended up extending to a 70-plus-acre fire, prompting Cal Fire to call it the "Oakdale Fire."

The Oakdale Fire stretched to 78 acres in the Esparto area with no containment reached. 

Wolf Fire burns over 2,400 acres [PREV. COVERAGE]

Firefighters continue battling multiple fires in the Inland Empire, including the Wolf Fire in Riverside County.

The fire prompted evacuation orders for California's zone MAD063-A and MAD149-B.

What we don't know:

The cause of the explosion remains under investigation.

This story was reported from Los Angeles.