GOP challenger unseats Rep. Susan Wild in Pennsylvania

The Democratic House member ran on a platform of protecting access to abortion, fighting LGBT discrimination, affordable housing, and investing in infrastructure. Wild, who was backed by President Biden this cycle, overwhelmingly votes along party lines, with FiveThirtyEight data showing she has voted for legislation supported by Biden 100% of the time. 

"Ryan Mackenzie has my Complete and Total Endorsement - HE WILL NEVER LET YOU DOWN!" Trump wrote on Truth Social in August. 

Mackenzie currently serves in the Pennsylvania House of Representatives, a seat he's held since 2012 including amid redistricting. 

Wild has faced tough re-election bids since the 2022 cycle, when redistricting over the 2020 Census took effect and included votes from Republican-friendly Carbon County. 

Ahead of her 2022 race, Wild came under the national spotlight when she said she "might have to school" rural Trump voters in order to win their support. 

"After Trump came along, it went from a sort of working-class blue district to a - they drank the Trump Kool-Aid - and it really became a red county. So, I was dismayed when I got that as part of my district," she said. 

Wild later apologized "to anyone I may have offended" over the comment. 

Pennsylvania emerged as a key battleground state for the presidential race this cycle. Trump narrowly won the state in his successful 2016 election against former Secretary of State Hillary Clinton, while President Biden declared victory in the Keystone State in the 2020 election. 

Fox News Digital's Jessica Chasmar contributed to this report.