The company indicated that multiple people died in the incident three days before the Fourth of July, but officials have not issued a determination.

A number of municipalities across Northern California have put their Fourth of July fireworks shows on hold after the explosion at a fireworks warehouse in Esparto. Cal Fire says seven people are unaccounted for after the massive explosion at Devastating Pyrotechnics on 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.

Two people were hospitalized in critical condition after illegal fireworks being manufactured inside a home in Hayward exploded Thursday, authorities said.

Two people were in critical condition Thursday after explosions rocked a Hayward home authorities say was possibly being used to manufacture illegal fireworks. Related Articles Latest setback in Oakland police’s federal oversight: Taking too long to investigate a complaint Police seek information on person found dead in East Bay Oakland: Man charged with raping sex worker at gunpoint Richmond council and police chief align,

Two people were injured from an apparent fireworks explosion at a home in Hayward on Thursday, police said. Authorities say a house fire was first reported at 12:18 p.m. near the 27000 block of Mandarin Avenue.