The collision and gun violence were unrelated incidents. CHELAN COUNTY, Wash. — Two unrelated incidents in Chelan County Saturday evening left one person dead and three people injured, including a 17-year-old, according to state highway and law enforcement officials in the region. Gunfire injures teen in downtown Chelan Around 10:20 p.m. May 23, a deputy with the Chelan County Sheriff’s Office heard gunfire near the Chelan Riverwalk Park while on patrol on nearby South Emerson Street and East Wapato Avenue. Officers responded to the scene. Upon arrival, deputies found a 17-year-old suffering from a gunshot wound to the lower…