Prominent Democratic leaders in Congress, along with key party campaign organizations and supportive groups, have launched a legal challenge against President Donald Trump and his administration. This follows Trump’s recent executive order aimed at expanding federal oversight of elections.

Senate Minority Leader Chuck Schumer of New York and House Minority Leader Hakeem Jeffries, also of New York, spearheaded the lawsuit. They were joined by the Democratic Senatorial Campaign Committee, the Democratic Congressional Campaign Committee, the Democratic Governors Association, and the Democratic National Committee. The lawsuit was filed on Thursday.

Filed in the U.S. District Court for Washington, D.C., the lawsuit seeks to halt the implementation of Trump’s executive order, which was signed on Tuesday. The order focuses on mail-in voting and voter eligibility, while Senate Republicans are still debating the Safeguarding American Voter Eligibility (SAVE) Act.

In a unified statement, Schumer, Jeffries, and the heads of the involved committees expressed their concerns: “The American public is disillusioned with the Republicans’ agenda, which they see as detrimental to healthcare and leading to increased costs. They’re eager to vote for change. President Trump’s attempt to manipulate the electoral process by complicating voting for seniors, people with disabilities, military personnel, and rural communities who depend on mail-in voting is a clear violation of constitutional rights. We are committed to opposing this.”

They further emphasized, “By challenging Trump’s executive order, we aim to safeguard the fundamental right to vote and ensure that every eligible citizen has the opportunity to be heard at the polls.”

Amid this legal confrontation, Trump has cautioned his Republican colleagues that failing to pass the SAVE America Act—which faces strong Democratic resistance in the Senate—could lead to significant electoral setbacks for the GOP in the forthcoming midterm elections.

White House spokeswoman Abigail Jackson fired back, “Only Democrat politicians and operatives would be upset about lawful efforts to secure American elections and ensure only eligible American citizens are casting ballots.”

“President Trump campaigned on securing our elections and the American people sent him back to the White House to get the job done,” she said.

The executive order, signed earlier this week, reflects Trump taking matters into his own hands amid the political reality in Congress.

The order would create federal “citizenship lists” of US citizens using government databases, require those lists to be shared with states before elections, and give the US Postal Service (USPS) authority over mail-in voting logistics. It would also require voters to be enrolled with USPS to receive mail ballots.

The order would allow USPS to refuse delivery of ballots from people not on its approved list and impose new federal design and processing rules for mail-in ballot envelopes.

Democrats argue the order is unconstitutional on several grounds, including that it overrides states’ authority over elections, violates the separation of powers, breaches privacy laws and risks disenfranchising millions of voters.

They argue Trump has “no such authority” to impose sweeping changes on elections nationwide.

“If permitted, the President’s actions would fundamentally alter the constitutional balance between the states and the federal government by allowing the executive branch to wield federal power to pressure states into adopting federal preferences for the conduct of elections,” they wrote in the lawsuit.