The two largest U.S. states have launched a congressional mid-decade redistricting war, and several other states are joining the fray ahead of the 2026 midterm elections, which Democrats hope will mark the end of Republicans’ control of the federal government.

California lawmakers approved a November special election to ask voters to redraw the state’s electoral lines to favor Democrats. The effort aims to counter similar steps taken by Republicans in Texas at the behest of President Trump.

In the complaint, 13 Texas voters claim HB4 unlawfully targets majority-minority districts based on race, including in Harris County. In the Houston area, claims court documents, Black voters are being packed into a single district,