Cook Political Report, a top election analysis group, has changed its rating for the Ohio seat held by the chairman of the National Republican Congressional Committee (NRCC), suggesting that the prospect of a Democratic win in the district is now more likely.

Ohio’s 15th District, which is currently held by NRCC chairman Steve Stivers Steven (Steve) Ernst StiversBusiness groups back pandemic insurance bill modeled on post-9/11 law National Retail Federation hosts virtual 'store tours' for lawmakers amid coronavirus Stronger patent rights would help promote US technological leadership MORE (R), has been changed from “Solid Republican” to “Likely Republican" by Cook.

As the head of the NRCC, House Republicans' campaign arm, Stivers is tasked with ensuring that Republicans are elected to the House.

Dave Wasserman, the House editor at Cook Political Report, tweeted Friday that one poll showed a “surprisingly close” race against Stivers.

Hearing of a poll in #OH15 showing Dem in a surprisingly close race against NRCC Chair Rep. Steve Stivers (R). Makes sense: @CookPolitical PVI is only R+7 & district includes Athens & Columbus burbs. — Dave Wasserman (@Redistrict) December 14, 2017

Cook announced the change in its rankings on Friday. The handicapper also shifted its rating for Pennsylvania’s 18th District, formerly held by Rep. Tim Murphy Tim MurphyBiden receives endorsements from three swing-district Democrats A federal abortion law might be needed Female Dems see double standard in Klobuchar accusations MORE (R), from “Likely Republican” to “Lean Republican.”

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Murphy resigned last month after it was reported that he urged a woman with whom he was having an affair to have an abortion.

The two changes follow Tuesday’s Alabama special election and Sen.-elect Doug Jones’s (D) stunning victory over opponent Roy Moore Roy Stewart MooreVulnerable Senate Democrat urges unity: 'Not about what side of the aisle we're on' Sessions hits back at Trump days ahead of Alabama Senate runoff Judge allows Roy Moore lawsuit over Sacha Baron Cohen prank to proceed MORE (R).

The race to fill Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE’s former Senate seat was vaulted into the national spotlight after Moore was accused of sexual misconduct by multiple women, including one woman who said he initiated a sexual encounter with her when she was a teenager and he was in his 30s.

Jones became the first Democrat to win a Senate seat in Alabama since 1992, and his victory tightens Senate Republicans’ margin in the Senate, giving them just a 51-49 edge.