Senate Democrats are planning to hold a late-night talkathon Monday protesting Republicans' push to repeal the Affordable Care Act.

The protest comes as Democrats face an uphill battle to block Republicans from repealing ObamaCare, which only needs 50 votes to clear the upper chamber through the budget reconciliation process.

“Tonight, we are taking to the floor and social media to denounce this plan and warn the American people that the Democrats will be fighting tooth and nail against this potentially catastrophic move," Schumer said.

Schumer added that "right now the GOP's plan would put the insurance companies back in the driver's seat and create chaos."

Democrats are also planning to organize calls with constituents and outside progressive groups including Families USA, Planned Parenthood and the Service Employees International Union.

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While the GOP's Senate majority means ObamaCare's supporters face long odds fighting the repeal, Democrats pledged last week after a closed-door meeting with President Obama that they would try to rally constituents to oppose the GOP plan, arguing that the politics of ObamaCare favor Democrats.

Still, a growing number of Republicans said last week that they have concerns about repealing ObamaCare without a replacement. None, however, have said they would vote against repealing without a plan.

"I think there ought not to be a great gap between the first step and the second," he said.

Democrats warn that if Republicans move forward with a party-line repeal vote, they will be responsible for any backlash created by potentially roiling the insurance market.