VALLEY -- A worker has been injured at a Valmont Industries plant in eastern Nebraska.Company spokesman Jeff Laudin says the accident happened around 3 a.m. Monday at the Valley plant. Laudin says it occurred in the building where steel lighting poles are made. Laudin says he doesn't know how the accident happened or the extent of the worker's injuries. The worker was taken to an Omaha hospital for treatment. His name hasn't been released.