Police are trying to learn the name of a man wanted in connection to an arson fire in Walla Walla. Sgt. Eric Knudson with Walla Walla Police said someone started a house fire in the 900 block of W. Alder Street on April 7 around 5:20 a.m. No one was home at the time. However, the fire caused an estimated $100,000 in damage. Police have shared a photo of a person of interest wanted in connection to the fire. They are asking the public for help in identifying him.