A house fire was reported just before 12:20 p.m. in the 27000 block of Mandarin Avenue, according to the Hayward Police Department. Officers arrived to find a man suffering from injuries “consistent with a fireworks-related explosion,” police 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 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.

In the weeks leading up to the holiday, Gary Souza and around 60 fellow pyrotechnicans are focused entirely on finalizing the 49th annual Macy’s show. But they are not strolling along the Brooklyn Bridge where it will take place, nor are they balancing aboard one of the four barges in the East River that will supply additional launch points.

The city will deploy drones this Fourth of July to crack down on illegal fireworks and protect communities from fire hazards.