LOUISVILLE, Ky. (WDRB) -- Kentucky native Diane Sawyer is stepping down from the evening news.

ABC says she'll be replaced by David Muir. Sawyer says she will instead concentrate on interviews and specials.

During her tenure - ABC's World News was a steady second to NBC, although the ABC broadcast has made gains among younger viewers.

The network did not say when Sawyer will step down.

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