"I have not seen such uniting anger across the party in a long, long time," Charlotte Clymer, the Democrat behind the petition, said.

Democrats revolt against Chuck Schumer’s cave to Republicans - ANALYSIS: Analysis: With a majority of his caucus revolting against him and activists furious, the longtime Democratic leader faces calls to step aside or have a primary challenge,

Schumer relented one day after he vowed Senate Democrats would thwart the "partisan" measure, saying the "chaos" of a government shutdown would be a worse option.

The Senate is expected to take a procedural vote Friday afternoon on a Republican-led stopgap measure to keep the government funded ahead of a midnight deadline.

Fissures are growing within the Democratic Party after 10 Democrats, including Sen. Chuck Schumer, joined Republicans to advance the GOP stopgap bill. Spectrum News' Kevin Frey discusses