House Republicans unveiled a spending bill Saturday that would keep federal agencies funded through Sept. 30, pushing ahead with a go-it-alone strategy that seems certain to spark a major confrontation with Democrats over the contours of government spending.

Democrats decried the measure as a White House power grab, leaving it unclear whether the legislation could pass.

The stopgap measure would keep the government funded through Sept. 30. But Democratic leaders are opposed, and it's unclear if Johnson can pass it with only Republicans.