The Senate adjourned Thursday night without resolving the fate of a House-passed funding bill, extending the drama about a possible government shutdown until the last possible day.

Government funding will expire after 11:59 p.m. on Friday and Senate leaders will only have 13 hours to negotiate a solution after Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE (R-Ky.) adjourned the Senate without a deciding vote.

Democrats say they have the votes to block debate on the four-week government spending measure, which would extend funding for the Children’s Health Insurance Program (CHIP) for six years and address other priorities.

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Democrats are objecting to the measure because it does not address the fate of immigrants who came to the country as children and now face deportation because President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE rescinded the Deferred Action for Childhood Arrivals (DACA) program in September.

Senate Democratic Leader Charles Schumer Chuck SchumerVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Graham signals support for confirming a Supreme Court nominee this year Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (N.Y.) called on his colleagues to hold a crucial procedural vote at 10 p.m. Thursday so Democrats could quickly kill the House-passed measure and begin a new negotiation.

But McConnell declined to allow quick action and pushed to consider the matter only hours before government funding expires, seeking to put more pressure on Democrats to vote to advance the measure.

A number of vulnerable Senate Democrats facing tough reelections this year in states won by Trump have said they don’t want the government to shut down.

If they vote against the four-week House-passed spending stopgap, there will be very little time to come up with an alternative bill to keep federal agencies open.

The spending stopgap needs 60 votes to overcome a Senate filibuster.