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 Republicans are moving closer to approving new congressional maps amid a Democratic show of protest over the GOP House speaker’s order that members who fled the state weeks earlier be placed under law enforcement watch.

Republicans in the Texas House forced returning Democrats to around-the-clock surveillance by state Department of Public Safety officers to leave the floor.