Texas Gov. Greg Abbott on Saturday promised to quickly sign off on a new, Republican-leaning congressional voting map gerrymandered to help the GOP maintain its slim majority in Congress.

Republican lawmakers are pursuing the unusual mid-decade redistricting plan amid pressure from President Donald Trump to protect the GOP’s slim majority in the U.S. House.

Texas lawmakers pass GOP-backed congressional map. Gov. Greg Abbott to sign. Democrats say it weakens minority votes and vow legal challenge.

Texas state Rep. Gene Wu joined a private strategy call on Thursday with Democratic leaders from other GOP-led states that might also redraw their maps.

California Democrats landed their counterpunch to Texas on Thursday, just a day after Texas Republicans advanced their redrawn map that had come at the urging of President Donald Trump with the aim of padding their House majority by five seats.