Firefighters are trying to contain a shop fire that has burned power lines in Kennewick. Action News learned this fire caused power lines to spark and go down in the area of Gum Street and 23rd, around 6 p.m., Tuesday. Police have blocked roads in the area. Drivers are asked to use a different route. Responders are asking the public to avoid the area due to transformers going out in this fire. Benton PUD is en route to shut off power. [Update, 4/4] Deputies determined the homeowner had been welding inside of the shop and noticed flames shortly after welding.