Nellie Andreeva

ABC News President Ben Sherwood made the announcement this morning, noting that Bill Weir gave notice that he was departing “for another opportunity in the news business.” Dan Harris, who has co-anchored the weekend edition of Good Morning America since 2010, will replace Weir as co-anchor of Nightline alongside Cynthia McFadden and Dan Abrams while continuing in his role at GMA Weekend. Weir, former sports anchor for Los Angeles’ KABC-7, helped launch GMA Weekend in 2004 and served as co-anchor until moving to Nightline in 2010, succeeded by Harris. “Bill’s style is singular; his voice unique; and we will miss him and, yes, his turkey frying safety tips,” Sherwood said.

Related: ABC News’ Bill Weir Latest To Join CNN

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