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

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.

House Republicans over the weekend rolled out a short-term government funding plan, kicking off a crucial stretch for GOP leadership to lock down support ahead of Friday’s shutdown deadline.