A hashtag linking a potential government shutdown to 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 became the top trending topic on Twitter on Friday night.

\#TrumpShutdown, a hashtag used by Democrats ahead of Friday night’s deadline for Congress to pass a government spending bill, shot to the top of Twitter’s “Worldwide” trending topics.

The popularity of the hashtag may point to the difficulties Republicans and Trump will have in the fight over who is to blame for the shutdown.

Republicans argue it is Senate Democrats who are to blame because they blocked a House GOP bill that would have kept the government open for another months.

Democrats say the GOP and Trump are to blame, pointing to their control of the White House and Congress.

Several top Democrats, including House Minority Leader Nancy Pelosi Nancy PelosiSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Trump is betting big on the suburbs, but his strategy is failing 'bigly' Trump orders flags at half-staff to honor 'trailblazer' Ginsburg MORE (D-Calif.) used the hashtag to tweet about the funding fight.

Here’s where we’re at:



Republicans – who control the House, Senate, and WH – are on the verge of making #TrumpShutdown a reality because they refuse to protect DREAMers and provide long-term certainty for our military, the opioid crisis, CHIP, and other key issues. — Nancy Pelosi (@TeamPelosi) January 19, 2018

Late night in the Capitol holding strong with Democrats and fighting to fund the government, protect DREAMers, reauthorize CHIP, fund community health centers, provide funding for disaster relief efforts, and provide long-term certainty for our military. #TrumpShutdown #DoYourJob pic.twitter.com/iKsQsxYFPo — Rep. Ruben J. Kihuen (@RepKihuen) January 19, 2018

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Meanwhile, GOP lawmakers began employing the hashtag #SchumerShutdown during the shutdown debate starting Thursday night, blaming a potential shutdown on Senate Minority 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 (D-N.Y.).

5 Democrats willing to put games aside, fund the government, and keep 9 million kids from losing their healthcare tomorrow. #SchumerShutdown https://t.co/ekNMb7M29T #CHIP #utpol — Senator Hatch Office (@senorrinhatch) January 20, 2018

Democrats can't shut down the booming Trump economy. Are they now so desperate they'll shut down the government instead? #SchumerShutdown — Sarah Sanders (@PressSec) January 20, 2018

The Senate rejected a House-passed funding bill late Friday night, and negotiations are ongoing to avoid a government shutdown at midnight.