(KNZA)--Authorities say a St. Joseph man drown while swimming in the Missouri River at St. Joseph.

The Missouri State Highway Patrol says 21-year-old Johnathan Harness went swimming in the river early Sunday morning at the French Bottoms Conservation Area and did not resurface.

Multiple agencies responded to the scene shortly before 6:00 Sunday morning and began searching for Harness, but did not find him Sunday.

The search continued on Monday. The Patrol says Harness' body was found shortly after 4:00 Monday afternoon near where he had gone swimming.

Harness was pronounced dead at the scene.