The proposed congressional districts are fueling a redistricting battle at the Texas Capitol and could have national consequences. A bipartisan war is already brewing across the U.S.

House Bill 4 advances after a partisan vote. The full Senate is expected to take up the controversial redistricting measure on Friday.

After Texas moved forward on a new Trump-backed congressional map this week, California Gov. Gavin Newsom responded, "It's on," moving forward on his own redistricting plan that favors Democrats.