Missouri Division of Fire Safety officials say three deaths over the July fourth holiday were connected to fireworks.
They say a man in Joplin was killed and a girl seriously injured when a shed exploded.
Fireworks have not been ruled out in that explosion.
Two people in Buckner died in a house fire that may have been caused by fireworks.
Three people were injured in a house fire in Sibley started by fireworks exploding in the garage, and 6 people in Leadwood were injured while watching a fireworks display put on by a resident.