New Hampshire was lost by President Donald Trump in 2024 by 2.8% and is among the leading seats Republicans are looking to flip as they fight to maintain the majority.

Trump has backed former GOP Sen. John Sununu in the Senate primary, in which Democratic Rep. Chris Pappas faces a democratic socialist.

The Democratic Senate primary in New Hampshire is heating up, with Karishma Manzur gaining momentum while Chris Pappas, the moderate frontrunner, sees his poll numbers plummet.…