Democrats have asked the Wisconsin Supreme Court to invalidate the state's congressional map as illegally advantageous to Republicans, a move that if successful could help determine which party controls the U.

Democratic voters in Wisconsin have asked the state’s liberal-controlled Supreme Court to throw out the battleground state’s current congressional district boundaries after a similar request was rejected last year.

A new lawsuit challenging Wisconsin’s congressional maps has been filed with the Wisconsin Supreme Court with Elias Law Group representing nine Wisconsin voters. The challenge claims that the current maps are gerrymandered,