 for Ukraine and $6bn for disaster aid, is a last-ditch effort to avert a lengthy shutdown and appears to have strong bipartisan support in the upper chamber. On Friday, House Republicans' short-term funding measure, which included strict border policies championed by the hardliners, was rejected by as many as 21 members of the party and failed to pass. In a closed-door meeting, Mr McCarthy said that Republicans would have to opt for the House bill or the S){kind=link}
The US government is on the brink of another shutdown with Congress poised to miss a Saturday midnight deadline to fund federal agencies.
The fourth shutdown to occur over the past decade, it could significantly affect everything from air travel to national parks and marriage licenses.
Most government employees will be furloughed without pay, and crucial nutrition programmes will be halted.
It follows a hard-right revolt in the US House of Representatives.
Republicans control the House by a slim majority, while Democrats hold the Senate by a single seat.