Democratic leaders say they will return for a second special legislative session after seeing California Democratic leaders proceed with plans to redraw their own U.S. House maps to neutralize Republican gains in Texas.

The new, partisan maps come on the heels of Gov. Gavin Newsom’s launch of California’s redistricting campaign on Thursday, an effort he touted as meant to favor Democrats in California in the upcoming midterm elections as a counter to similar efforts in Republican-led states elsewhere in the country.

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.