A former campaign manager for Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellThe Memo: Biden puts 9/11 era in rear view Anti-Asian hate crimes bill overcomes first Senate hurdle Greitens Senate bid creates headache for GOP MORE (R-Ky.) weighed in shortly after polls closed Tuesday in Alabama to thank Stephen Bannon “for showing us how to lose the reddest state in the union.”

Former McConnell aide Josh Holmes called the Senate special election a "national embarrassment" as embattled GOP Senate candidate Roy Moore went against Democrat Doug Jones in what had become a competitive race in a deeply red state.

Bannon, President TrumpDonald TrumpTrump mocks Murkowski, Cheney election chances Race debate grips Congress US reentry to Paris agreement adds momentum to cities' sustainability efforts MORE's former White House chief strategist, campaigned for Moore going back to his primary runoff against Sen. Luther StrangeLuther Johnson StrangeThe Hill's Morning Report - Biden assails 'epidemic' of gun violence amid SC, Texas shootings Trump faces test of power with early endorsements Alabama zeroes in on Richard Shelby's future MORE (R-Ala.).

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Bannon, the executive of the right-wing Breitbart News, appeared with Moore on the campaign trail twice in the final week leading up to election day Tuesday, taking time at each one to specifically rail against McConnell and other Washington Republicans.

McConnell previously called on Moore to withdraw from the race in the face of mounting allegations against Moore from women saying he pursued them when they were teenagers and he was in his 30s. He also said Moore would likely face a Senate Ethics Committee probe if elected.

McConnell and Bannon have frequently clashed. McConnell has said Bannon and his allies are “specialists at nominating people who lose.”

Bannon has reportedly asked potential GOP primary challengers to commit to voting against McConnell for leadership if elected and has vowed McConnell will not be the Senate majority leader next year.