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.

The House Democrats who broke quorum to block GOP redistricting and stopped all activity in the chamber for two weeks have each been fined more than $9,000, according to a letter dated Thursday from the chairman of the House Administration Committee.

The California legislature on Thursday approved a redistricting package aimed at giving Democrats five more seats in the U.S. Congress, countering a partisan advantage President Donald Trump hoped to gain from a similar Republican plan to redraw political maps in Texas.

California Democrats are hoping to turn the push for voters to approve new congressional maps into a referendum on Trump.

California’s Democratic-controlled legislature passed a trio of bills aimed at redrawing the state’s congressional map. The move, designed to send five more Democrats to Congress, is a direct response to Texas doing the same thing with Republican seats.

Texas Democrats are preparing their final show of resistance against a mid-decade redraw of the state's congressional map.

The Texas redistricting battle is entering a new front as the fight turns to the courts, where Democrats and civil rights groups are expected to challenge the newly passed maps. Texas House Democrats who had fled the state to stall the maps said that they were returning “to the House floor and to the courthouse” this