Former GOP Rep. David Jolly (Fla.) said on Tuesday that his takeaway from the special election in Pennsylvania's 18th Congressional District was "Madam Speaker," referencing a potential Democratic takeover of the House in the 2018 midterm elections.

In an early morning tweet, Jolly said, "Probably the primary takeaway from PA-18 is: Madam Speaker."

Probably the primary takeaway tonight from PA-18 is: Madam Speaker. — David Jolly (@DavidJollyFL) March 14, 2018

Jolly's tweet appeared to foreshadow the possibility of House Minority Leader Nancy Pelosi Nancy PelosiAs families deal with coronavirus, new federal dollars should follow the student Sunday shows - Ruth Bader Ginsburg's death dominates Hypocrisy rules on both sides over replacing Justice Ginsburg MORE (D-Calif.) retaking the Speaker's gavel in the wake of Democratic candidate Conor Lamb's declared victory in the Pittsburgh-area district.

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State Rep. Rick Saccone (R) has not officially conceded and could seek a recount.

The district, which went for President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE in 2016 by a 20-point margin, was once considered a safe Republican seat.

However, Lamb leads Saccone by 641 votes, with 100 percent of the precincts reporting, according to The Associated Press. Some absentee ballots were yet to be counted.

Republicans pumped more than $10 million into the district to boost Saccone and dispatched high-profile surrogates like President Trump and Vice President Pence to the area.

The race, and other recent Democratic victories, have made Republicans nervous about the midterm elections in November.

Jolly announced on Tuesday that he would not challenge Rep. Charlie Crist Charles (Charlie) Joseph CristFlorida Democrat introduces bill to recognize Puerto Rico statehood referendum Anna Paulina Luna wins Florida GOP primary in bid to unseat Charlie Crist The feds should not spend taxpayer dollars in states that have legalized weed MORE (D), who defeated him in 2016. He took a shot at Trump in the process, saying that he thought the president should face a primary challenge in 2020.