See Dramatic Fireworks Factory Blaze, Explosion

A large blaze at a fireworks factory in the United Kingdom sent two people to the hospital, with one person missing.

Video shows fireworks exploding and smoke pouring from the building in Stafford Thursday night. About 50 firefighters battled the blaze at its peak.

Firefighters remained at the building overnight after extinguishing the blaze.

One person remains missing. The building will be searched as investigators try to figure out what caused the fire, Staffordshire police said