A hashtag linking a potential government shutdown to President TrumpDonald John TrumpGrassley: Dems 'withheld information' on new Kavanaugh allegation Health advocates decry funding transfer over migrant children Groups plan mass walkout in support of Kavanaugh accuser 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 PelosiNancy Patricia D'Alesandro PelosiDems see Kavanaugh saga as playing to their advantage Democrats opposed to Pelosi lack challenger to topple her Sinema, Fitzpatrick call for long-term extension of Violence Against Women Act MORE (D-Calif.) used the hashtag to tweet about the funding fight.

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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 SchumerCharles (Chuck) Ellis SchumerTrump, GOP regain edge in Kavanaugh battle READ: President Trump’s exclusive interview with Hill.TV The Hill's 12:30 Report — Trump slams Sessions in exclusive Hill.TV interview | Kavanaugh accuser wants FBI investigation MORE (D-N.Y.). 

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