CNNSioux Falls buildings are shredded by a tornado as the mayor cites ‘human error’ for siren mishapSep 11, 2019Holly Yan, Faith Karimi & Joe SuttonBy Holly Yan, Faith Karimi & Joe Suttonmore_vert
NBC NewsTornado hits Sioux Falls, South Dakota, causes 'significant damage' to dozens of buildingsSep 11, 2019Phil HelselBy Phil Helselmore_vert