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

Senator Chuck Schumer faced backlash from House Democrats, including Alexandria Ocasio-Cortez, for supporting a GOP-backed stopgap funding bill. Critics argue it grants President Trump undue power, while Schumer contends the move was to prevent a government shutdown.

In interview, the Senate minority leader said intraparty critics underestimated the dangers of a funding lapse.