The U.S. District Court for the District of Columbia issued the ruling. The state maps, passed by the Republican-dominated Texas legislature, redrew districts in a way that reduced the influence of minority voters, the court ruled.
November's election will likely use interim maps drawn by a federal court in San Antonio instead.
The Obama administration in 2011 blocked the maps, arguing they violated the 1965 Voting Rights Act, a law designed to protect the voting rights of minorities, primarily blacks in Southern states.
In rejecting the maps, the court could have stopped at ruling that they had a discriminatory effect, but it took the further step of ruling that the Texas legislature had a discriminatory intent in its drawing of the maps.
Kevin Roberts, the Heritage Foundation president and the architect of Project 2025, the conservative thinktank’s road...
The former attorney general Bill Barr was personally involved in a decision to release an unusual...
