Computer glitch causes fireworks malfunction in Coralville - KTIV News 4 Sioux City IA: News, Weather and Sports

Computer glitch causes fireworks malfunction in Coralville

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The fireworks display in Coralville had a strong start, but a weaker finish during July 4th festivities. According to one person at the Coralville Fire Department, about "70% of the show all happened in the first minute."

Eric Dickerson with CoralVision T.V. was there to film the festivities.  "Everyone was taken by surprise... it was bright and hot, but we're glad everyone is okay."

One Twitter user said the fireworks included a mushroom cloud of fire.  "The fireworks began with the finale and many of them were going off pretty low to the ground. Then fireball. I was kind of freaked out," tweeted Kasandra Merrill (@TwoFlightsDown).

According to KWWL coverage partners at the Iowa City Press Citizen, city administrator Kelley Hayworth says the city spends $12,000 each year on the July 4 fireworks, but this kind of problem has never happened before.

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