Harris and Trump have been neck and neck in polls in recent weeks. The two and their running mates, Minnesota Gov. Tim Walz (D) and Sen. JD Vance (R-Ohio), have ramped up their public appearances in the final days of the campaign, barnstorming battleground states and taking part in media blitzes.

Republicans are vying to keep control of the lower chamber, while Democrats hope to flip enough seats to take over. There are about two dozen tossup House races, where either party could come away with the win regardless of incumbency,