LOS ANGELES — The Justice Department on Thursday sued to block new congressional district boundaries approved by California voters last week, joining a court battle that could help determine which party wins control of the U.S. House in 2026.

What You Need To Know

The complaint filed in California federal court targets the new congressional map pushed by Democratic Gov. Gavin Newsom

California voters overwhelmingly approved Proposition 50, a constitutional amendment changing the congressional boundaries to give Democrats a shot at winning five seats

Proposition 50 was Newsom's response to Trump’s maneuvers in Texas, where Republicans rejiggered districts in hopes of picking up five seats of their own

Former action movie star and Republican Gov. Arnold Schwarzenegger opposed it, while

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