Update: The Harrison County Sheriff's office says a body was recovered after a search of the Missouri River. The body has been identified as 82-year-old Malvern Wallis of Mondamin.
The investigation is still ongoing, and an autopsy has been ordered.
First responders are looking for a man who went missing in Harrison County, Iowa Tuesday evening.
They're following reports of an overturned tractor in the Missouri River.
A dive team with the Yutan Fire Dept. is conducting a water rescue outside Mondamin, Iowa.
Crews responded to the area of 192nd and Cody Avenue around 6 p.m.
Firefighters at the scene tell 3 News Now they found a tractor in the river.
This is a developing story.
3 News Now has a crew at the scene and will bring you the latest on-air and online.