(CNN) — Maine Rep. Jared Golden, the only Democrat in the House to vote for the Republican-led government funding bill, drew a primary challenger Monday who accused him of consistently siding with the GOP over his own party.

State Auditor Matthew Dunlap’s bid sets the stage for a high-profile showdown in a district Democrats will likely need to hold to regain control of the US House. Golden represents one of the country’s most competitive districts, winning his 2024 race by less than a percentage point while President Donald Trump carried it by roughly 10 points.

Dunlap told CNN ahead of his announcement that Democrats are “very, very disenchanted with Jared,” and that Golden overplays the difficulty of winning the district.

“It’s not a hostile wilderness. These are my neighbors and fr

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