SIX people are injured after an explosion at a construction company sparked a massive five-alarm fire.
The giant fire erupted at the Summerset Marine Construction company site in Eagle, Wisconsin, on Thursday morning.
The immense fireball left six injured, including three civilians and three firefighters.
One person suffered severe injuries while a firefighter was transported to a local hospital. He's considered to be in good condition.
Pictures from the scene showed a massive cloud of black smoke billowing from the building.
Kettle Moraine Fire District administrative assistant Janine Conk said firefighters had trouble putting out the blaze due to the lack of fire hydrants in the area.
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Conk said trucks have to be refilled elsewhere and return to the fire.
About 275 students at Eagle Elementary School, about a quarter-mile from Summerset Marine, were evacuated.
A school official said staff felt shaking at around 7.50am.
Summerset Marine Construction makes piers and docks, with a 24,000-square-foot facility in Eagle that includes a showroom, office, factory and warehouse, according to its website.
Fire officials are still investigating the origin of the fire.
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