Updated: 07/06/2009 5:38 PM KSTP.com | 
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By: Nicole Muehlhausen, Web Producer
Tube Fails, Causing Fireworks Explosion in Tofte
Spectators had to scramble Saturday night when the fireworks display near Bluefin Bay Resort in Tofte suddenly started exploding all at once.
Investigators say a tube being used to ignite the fireworks exploded, setting off about 60 rounds midway through the Fourth of July display.
Officials say firefighters were running the show.
No one was seriously injured, but a volunteer firefighter cut her leg while trying to run away from the explosion.
