ELK POINT, S.D. (AP) — Authorities searching for a 19-year-old man who went missing in the Missouri River in southeastern South Dakota have recovered a body.

The Union County Sheriff's Office says the body was discovered Wednesday afternoon in the river about 2 1/2 miles from where the man was reported missing while swimming with friends on Sunday near Elk Point.

The body is being sent to a Sioux Falls lab for positive identification.

Authorities have not released the name of the missing man.

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