Texas House Democrats have been trying to widen the message of their decision to break quorum at the Legislature and halt efforts to pass a partisan gerrymander that would flip as many as five Democratic seats in Congress to Republican control. Here are five developments this week amid an ongoing battle for political advantage.

The move to flee the state is part of a tactic to block a vote in the Texas House on redistricting. The proposal by Republicans would create five more Republican-leaning seats in the US House of Representatives, where the party holds a slim majority.

The FBI will help Texas track down Democratic state lawmakers who left the state as part of a collective effort to thwart state Republican efforts to redraw congressional districts, Republican U.S. Senator John Cornyn said on Thursday.