With less than 10 days to go before the US government shuts down, a spending effort by congressional Republicans has failed for a second time this week.
In a sign of the discord in his party’s ranks, US House of Representatives Speaker Kevin McCarthy said some “just want to burn the whole place down”.
Mr McCarthy had earlier indicated the House would work through the weekend, but members were released on Thursday.
It was a concession that there are not yet enough votes to keep the lights on.
Federal government agencies run out of the funding approved by Congress when the fiscal year ends at midnight on 30 September.
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The Republican-controlled House must approve spending measures that will pass muster in the Democrat-controlled Senate and be signed by President Joe Biden.
But the growing ideological split between moderate House Republicans and a hard-right faction has come to a head as the clock ticks closer to the deadline.
The latter, comprised of roughly half a dozen conservative rebels, is demanding spending cuts and rejecting any more funding for the war in Ukraine.
Members of the group have also threatened to force Mr McCarthy out of the speaker’s office if he cuts deals to get past them.
In a nod to these demands, the speaker told NBC News on Thursday that Congress “didn’t have time” for visiting Ukrainian President Volodymyr Zelensky to address a joint session of the House and Senate.
Mr McCarthy, who was elected to the job in January after 15 rounds of voting, has had little margin for error. His party holds a slim nine-seat majority in the House, but several members are currently absent.
On Wednesday, Republicans emerged from a three-hour meeting behind closed doors with apparent agreement on a $1.5tn (£1.2tn) spending measure that includes border funding and would create a commission to study ways to tackle the national debt.
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It prompted Mr McCarthy to move forward with a key defence spending bill written by his members, an effort aimed at messaging that the chaos within his caucus had ended.
But the illusion of consensus collapsed on Thursday. Five Republicans teamed up with all Democrats to defeat the bill from even advancing to a vote, the second time that has happened in three days.
“This is a whole new concept of individuals that just want to burn the whole place down,” Mr McCarthy complained to reporters. “It doesn’t work.”
Lawmakers had been told they would be working through the weekend but were alerted after the failed vote that no more business would be conducted this week.
Several expressed frustration that there now appears to be no clear path forward to fund the government.
“House Republicans continue to be in the midst of a civil war,” House Democratic leader Hakeem Jeffries said.
“It’s a civil war that is hurting the ability of the Congress to do the business of the American people and to solve problems on behalf of everyday Americans.”
Complicating matters for Mr McCarthy is that leaders in the Senate from both parties are pushing for a bill that funds the government and sends more money to Ukraine.
That means the fractured House Republican conference may need to accept some compromises or some help from their Democratic colleagues before a spending bill is sent to President Biden’s desk.