A deadly fireworks explosion in Yolo County has disrupted Fourth of July celebrations across Northern California, prompting a wave of cancellations and postponements from Chico to the Bay Area.

The fiery blast occurred at a Yolo County property used by Devastating Pyrotechnics, a company known for staging large-scale fireworks displays.

Several people who worked in Yolo County warehouses used for storing professional-grade fireworks are still missing Thursday following a giant explosion and raging fire. A barrage of fireworks exploded before the warehouses collapsed near Esparto,