UPDATE: Two people killed in Madison County plane crash

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MADISON COUNTY (40/29 News) - Authorities in western Arkansas found a husband and wife Tuesday morning dead in a plane crash.

Crews were searching for the single-engine plane since it disappeared from the Fort Smith Airport's radar Monday afternoon about 12 miles south of Huntsville.

Ivan and Adina Williams of Pryor, Okla. were the only two on board. They were flying from Alabama to Oklahoma.

Click here for more on this story from our ABC station in Northwest Arkansas, 40/29 News.