DENVER (CBS4) – Crews battled a fire overnight in Denver that happened at a building that was full of live ammunition.

The fire broke out at the Denver Bullet Company on 13th Avenue near Interstate 25. Firefighters say it started outside in a shed but the flames quickly spread inside.

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The scene early Sunday morning (credit: CBS)

The scene early Sunday morning (credit: CBS)

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Dozens of firefighters helped get it under control.

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Nobody was hurt.