The Missouri Supreme Court has blocked a new House map backed by President Trump from being used in the November election, a setback in Republicans' efforts to pick up an additional House seat.

The Missouri Supreme Court has blocked a new U.S. House map backed by President Donald Trump from being used in the November election

President Donald Trump had hoped the map would be used in the November election.

The unanimous decision means Missouri will use its previous congressional map, drawn after the 2020 census, for the 2026 midterm elections.