President Donald Trump made a last-minute appeal to Virginia voters Monday evening, urging them to vote against a redistricting ballot measure that Republicans warn could cost the party multiple seats in the U.S. House of Representatives.

Trump participated in a telerally call alongside House Speaker Mike Johnson to make the case against the measure, according to reporting by The Hill. The call came just hours before Virginians were set to vote on the referendum.

"This referendum is a blatant partisan power grab that nobody's really ever seen anything like it," Trump said on the call, as quoted by The Hill.

Republicans have argued the redistricting proposal could create as many as four pickup opportunities for Democrats in the House, a potentially significant shift given the narrow margins that have defined control of the chamber in recent years.

What the ballot measure would do

The Virginia referendum concerns the redrawing of congressional district boundaries, a process that has long been a flashpoint in American politics. Redistricting decisions can significantly influence election outcomes by concentrating or diluting the voting power of particular communities or political groups.

Critics of the current Republican-drawn maps have argued that new boundaries are needed to better reflect the state's population and ensure competitive elections. Supporters of the ballot measure have framed it as a step toward fairer representation.

Opponents, including Trump and congressional Republican leadership, have characterized it as a Democratic maneuver designed to engineer more favorable electoral geography ahead of November's midterm elections.

Stakes for House control

The involvement of both the president and the House Speaker underscores how seriously Republican leadership views the potential downstream consequences of the measure passing. Control of the House has shifted multiple times in recent election cycles, and individual states' redistricting decisions can carry outsized national significance.

Virginia has become an increasingly competitive state in national politics, making its congressional map a prize for both parties. A shift of four House seats resulting from redrawn boundaries could meaningfully alter the composition of the chamber following the November elections.

Trump's intervention in a state-level ballot measure reflects the broader nationalization of redistricting fights, which have played out in courts and legislatures across the country as both parties seek advantages heading into the next election cycle.