(Harrison County, Iowa) – Emergency personnel in western Iowa are searching for a person who went missing after their boat sank Sunday night on the Missouri River. The incident happened around midnight, north of the Tyson Bend Wildlife area in Iowa, near Blair, Nebraska. According to the Iowa Department of Natural Resources, Harrison County 911 received a call that a boat on the Missouri River was taking on water. A spokesperson said the boat was 35 feet long.

Harrison County Sheriff’s Office, Blair Police Department, Blair Fire and Rescue, Southwest Iowa Dive Team, Yutan Dive Team, Harrison County Emergency Management and Shelby County Emergency Management responded to the scene. A number of people were on board and were rescued, but one person was not, according to authorities.

Law enforcement at the scene interviewed witnesses and confirmed that a 20-year-old female is missing. According to authorities, efforts are underway to recover the boat and the missing person. The incident is under investigation.