As the battle over partisan redistricting mounts, Democrats in California unveil a congressional map that could yield up to five new seats for their party, countering Texas' plan for five GOP seats.

This week marks a flashpoint in an escalating and unprecedented fight over redistricting, with the country’s two most populous states taking center stage and control of the US House during the second half of President Donald Trump’s term potentially at stake.

California Democrats released a new gerrymandered House map on Friday night that, if implemented, would steal GOP seats held for decades.

The actor-turned-governor helped overhaul how California draws political maps. In an interview with The New York Times, he said he would fight to preserve that legacy.

Gavin Newsom formally kicked off his push Thursday to redraw California’s congressional maps in response to a Republican-led effort in Texas, setting up the next stage of his fight against both the Trump administration and a coalition of gerrymandering opponents within the state.

Gov. Gavin Newsom announces California redistricting plan with Trump-style social media posts, claiming the president "poked the bear."

The California governor unveiled plans to pass a constitutional amendment to alter the state’s congressional districts to counteract possible GOP gains in Texas next year.