If approved by voters, the California redistricting could nullify five new U.S. House seats Republicans are expected to gain from a new redistricting map in Texas.

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.

California Gov. Gavin Newsom has signed a package of legislation, kicking off the Golden State's redistricting drive, as the Democrat retaliates against Texas.