The incident happened about 1 p.m. Wednesday at the Henry B. Gonzalez Convention Center, where a Dish Network convention was taking place. Convention Center spokeswoman Andrea DeLaune said one of those hurt had possibly life-threatening injuries, while five declined hospital treatment.
She said it's not yet clear what caused the malfunction.
Take ABC13 with you!
Download our free apps for iPhone, iPad, Android and Blackberry devices