Professional fireworks show mishap injures 9 people in Colorado

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A fun family outing quickly turned frightening for several people watching a town-sponsored fireworks display in Colorado.

The fireworks mishap took place at the Salute to the USA show in Avon. A public statement from Avon officials indicates that a shell may have exploded inside a tube instead of in the air, causing two to three shells to fly into the crowd.

Nine people were treated at the scene for minor burn injuries.

A bystander caught the frightening moment on video, and shared it via Instagram.

Local officials say the show draws approximately 20,000 people annually and has never had a mishap of this nature in its 29 years of operation.

Below is video from the incident, along with some other notable fireworks accidents: