WASHINGTON (AP) — The Senate is voting on the first steps to end the 40-day government shutdown Sunday after a group of moderate Democrats agreed to proceed without a guaranteed extension of health care subsidies, angering many in their caucus who wanted to continue the fight.

The group of three former governors — New Hampshire Sen. Jeanne Shaheen, New Hampshire Sen. Maggie Hassan and Independent Sen. Angus King of Maine — said they would vote to reopen if the Senate passed three annual spending bills and extend the rest of government funding until late January. Senate Majority Leader John Thune endorsed the deal Sunday night and called an immediate vote to begin the process of approving it.

“The time to act is now,” Thune said.

The deal would also include a future vote on the health care subsidies, which would not have a guaranteed outcome, and a reversal of the mass firings of federal workers that have happened since the shutdown began on Oct. 1. The full text of the deal has not yet been released.

“We must not delay any longer,” Senate Appropriations Committee Chairwoman Susan Collins said in a Senate floor speech, adding that she is “relieved” that the shutdown appeared headed toward an end.

Republicans need five Democratic votes to reopen the government. In addition to Shaheen, King and Hassan, Democratic Sen. Tim Kaine of Virginia, home to millions of federal workers, also said he would support the agreement.

After Democrats met for over two hours to discuss the proposal, Senate Democratic leader Chuck Schumer said he could not “in good faith” support it.

“America is in the midst of a Republican-made health care crisis,” Schumer said on the floor just ahead of the expected votes. He said Americans would “suffer immensely” and that the crisis would only get worse.

“Democrats have sounded the alarm,” Schumer said, and “will not give up the fight.”

Final passage of the legislation could take several days if Democrats object and draw out the process. Independent Sen. Bernie Sanders of Vermont, who caucuses with the Democrats, said that giving up the fight was a “horrific mistake.”

Republicans have been working with the group of moderates as the shutdown continued to disrupt flights nationwide, threaten food assistance for millions of Americans and leave federal workers without pay. But many Democrats have warned their colleagues against giving in, arguing that they can't end the fight without an agreement to extend the health subsidies.

Returning to the White House on Sunday evening after attending a football game, Trump did not say whether he endorsed the deal. But he said, “It looks like we’re getting close to the shutdown ending.”

A bipartisan agreement

Democrats have now voted 14 times not to reopen the government as they have demanded the extension of tax credits that make coverage more affordable for health plans offered under the Affordable Care Act. Republicans have refused to negotiate on the health care subsidies while the government is closed, but they have been supportive of the proposal from moderate Democrats as it emerged over the last several days.

The agreement would fund parts of government — food aid, veterans programs and the legislative branch, among other things — and extend funding for everything else until the end of January. It would take up Republicans on their longstanding offer to hold a future vote on the health care subsidies, with that vote occurring by the middle of December, the people said.

The deal would reinstate federal workers who had received reduction in force, or layoff, notices and reimburses states that spent their own funds to keep federal programs running during the shutdown. It would also protect against future reductions in force through January, the people said, and guarantee all federal workers would be paid once the shutdown is over.

“I have long said that to earn my vote, we need to be on a path toward fixing Republicans’ health care mess and to protect the federal workforce," Kaine said.

Alongside the funding fix, Republicans released final legislative text of three full-year spending bills Sunday. That legislation keeps a ban on pay raises for lawmakers but boosts their security by $203.5 million in response to increased threats. There’s also a provision championed by Sen. Mitch McConnell, R-Ky., to prevent the sale of some hemp-based products.

Democratic pushback expected

Republicans only need five votes from Democrats to reopen the government, so a handful of senators could end the shutdown with only the promise of a later vote on health care. Around 10 to 12 Democrats have been involved in the talks, and the three people familiar with the agreement said they had enough votes to join with Republicans and pass the deal.

Many of their Democratic colleagues are saying the emerging deal is not enough.

“I really wanted to get something on health care,” said Michigan Sen. Elissa Slotkin. “I'm going to hear about it right now, but it doesn't look like it has something concrete.”

House Democrats were also chiming in against it. Texas Rep. Greg Casar, the chairman of the Congressional Progressive Caucus, said a deal that doesn't reduce health care costs is a “betrayal” of millions of Americans who are counting on Democrats to fight.

“Accepting nothing but a pinky promise from Republicans isn’t a compromise — it’s capitulation,” Casar said in a post on X. "Millions of families would pay the price.”

Rep. Angie Craig of Minnesota posted that “if people believe this is a ‘deal,’ I have a bridge to sell you.”

Even if the Senate were to move forward with funding legislation, getting to a final vote could take several days if Democrats who oppose the deal object and draw out the process. The first vote, which could come as soon as Sunday evening, would be to proceed to consideration of the legislation.

Republicans preview health care debate

There is no guarantee that the Affordable Care Act subsidies would be extended if Republicans agree to a future vote on health care. House Speaker Mike Johnson, R-La., has said he will not commit to a health vote.

Some Republicans have said they are open to extending the COVID-19-era tax credits as premiums could skyrocket for millions of people, but they also want new limits on who can receive the subsidies and argue that the tax dollars for the plans should be routed through individuals.

Other Republicans, including Trump, have used the debate to renew their yearslong criticism of the law and called for it to be scrapped or overhauled.

“THE WORST HEALTHCARE FOR THE HIGHEST PRICE,” Trump said of the Affordable Care Act in a post Sunday.

Shutdown effects worsen

Meanwhile, the consequences of the shutdown were compounding. U.S. airlines canceled more than 2,000 flights on Sunday for the first time since the shutdown began, and there were more than 7,000 flight delays, according to FlightAware, a website that tracks air travel disruptions.

Treasury Secretary Sean Duffy said on CNN’s “State of the Union" that air travel ahead of the Thanksgiving holiday will be “reduced to a trickle” if the government doesn't reopen.

At the same time, food aid was delayed for tens of millions of people as Supplemental Nutrition Assistance Program benefits were caught up in legal battles related to the shutdown. More than two dozen states warned of “catastrophic operational disruptions” as Trump’s administration is demanding states “undo” benefits paid out under judges’ orders last week, now that the U.S. Supreme Court has stayed those rulings.

And in Washington, home to millions of federal workers who have gone unpaid, the Capital Area Food Bank said it is providing 8 million more meals than it had prepared to this budget year — a nearly 20% increase.

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Associated Press writers Stephen Groves and Kevin Freking contributed to this report.