NEBRASKA CITY, Neb. (KETV, Omaha)  – A man from southwest Iowa will be sentenced in September, after being found guilty Tuesday  of hitting and killing a child in Nebraska City on July 17th. The Nebraska City Police Department said 59-year-old Vernon Christiansen, of Percival, was driving through an alley at around 5-p.m. on July 17th when his vehicle struck a 6-year-old. Court documents says the child died at the scene. The incident happened during the town’s farmers market.