Democratic state lawmakers who left Texas to block controversial new congressional maps backed by President Donald Trump are planning a return to the state early next week, shifting tactics so they can fight the plan in court.

California is stepping into a national redistricting battle after President Donald Trump urged Texas Republicans to redraw maps to maintain their U.S. House majority.

Democrats who are eyeing Texas’ Senate seat next year have upped their ad spending and media appearances while embracing clashes with Republican leaders.