Democrat Harley Rouda has upset 15-term Republican Rep. Dana Rohrabacher in California’s Orange County.
The vote count updated Saturday showed Rouda with 52 percent of the vote and about 8,500 more votes than Rohrabacher.
Divisions over President Donald Trump and the #MeToo movement shaped the race.
Rouda, a millionaire real estate investor and former Republican, also depicted Rohrabacher as the face of Washington gridlock and criticized the congressman’s climate change skepticism.
Rohrabacher was first elected in 1988 while running as a supporter of President Ronald Reagan. Rohrabacher is best known as Russia’s most zealous advocate on Capitol Hill.
Three other California U.S. House races remain too close to call.