The Supreme Court has struck down Missouri’s Republican-drawn congressional map, siding with a Democratic-backed effort to let voters decide its shape through a referendum. The justices issued a brief, unsigned opinion that invalidates the GOP’s proposed boundaries, marking a rare intervention in redistricting disputes. The ruling comes as the state’s Republican secretary of state prepares to take action on election procedures. Legal challenges over legislative maps continue to reshape how districts are determined ahead of upcoming elections.


The full Supreme Court on Thursday morning ruled against the GOP-favored Missouri congressional map. In a brief and unsigned opinion, justices sided with a Democratic-aligned organizer, who is attempting to defeat the Republicans’ map by putting it to voters through a referendum. The ruling immediately preceded Secretary of State Denny Hoskins (R) is set to...