President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE on Tuesday reiterated he would not budge on his demand to fund a wall along the southern border, dimming prospects for an imminent solution to a prolonged partial government shutdown.

"Without a Wall our Country can never have Border or National Security," Trump said in a tweet, insisting that a wall or steel barrier would cut crime rates.

"The Dems know this but want to play political games," he added. "Must finally be done correctly. No Cave!"

Without a Wall our Country can never have Border or National Security. With a powerful Wall or Steel Barrier, Crime Rates (and Drugs) will go substantially down all over the U.S. The Dems know this but want to play political games. Must finally be done correctly. No Cave! — Donald J. Trump (@realDonaldTrump) January 22, 2019

The president earlier Tuesday morning issued a tweet accusing the Democrats of "playing politics" over the wall after the subject was discussed on "Fox & Friends."

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Roughly 25 percent of the federal government has been shuttered for 32 days and counting after Trump demanded more than $5 billion to fund a wall along the southern barrier. Democrats have offered money for other border security measures, but nothing for the wall.

Trump on Saturday proposed a deal that would include more than $5 billion in funding for the border wall, a three-year extension of protections for “Dreamers” who benefit from the Deferred Action for Childhood Arrivals (DACA) program and temporary protected status holders, and funding for additional immigration judges and other border security measures.

The bill, if passed, would end the shutdown.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE (R-Ky.) said he would bring Trump’s proposal up for a vote this week, and Republicans signaled support for the measure.

No Democrats have publicly said they would support the legislation, with Speaker Nancy Pelosi Nancy PelosiPelosi: Ginsburg successor must uphold commitment to 'equality, opportunity and justice for all' Bipartisan praise pours in after Ginsburg's death Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-Calif.) calling the concept a “non-starter.”

Democrats have called on Trump to reopen the government amid negotiations. The Democrat-held House passed measures in recent days to reopen certain parts of the government, but the bills have not been taken up in the Senate.