Senate Democrats joined Republicans Friday on a key procedural vote to advance a bill that would ultimately avert a government shutdown at midnight, despite intensifying pressure from across the Democratic Party to block the GOP’s funding measure.

The bill was passed just hours before a midnight deadline to avoid a lapse in funding, which would have shut down the government.

House Republicans passed a stopgap bill to keep government funding at current levels until September. Now the measure heads to the Senate, where its fate is uncertain.