Texas Democrats have fled the Lone Star State in an effort to block Republicans from advancing state House maps that advantage the GOP by five seats.

Texas House Democrats left the state Sunday in a desperate bid to block an aggressively partisan redrawing of the state’s congressional map orchestrated by Republicans with the support of President Donald Trump.

The lawmakers’ absence means the lower chamber won’t have enough members present to function, stalling passage of a draft map Democrats have condemned as a political power grab.