Donald Trump's signature tax and spending bill was in limbo early Thursday as Republican leaders in the US Congress scrambled to win over a group of rebels threatening to torpedo the centerpiece of the president's domestic agenda.

Trump is seeking final approval in the House of Representatives for his Senate-passed "One Big Beautiful Bill" -- but faces opposition on all sides of his fractious party over provisions set to balloon the national debt while launching a historic assault on the social safety net.

As midnight (0400 GMT) struck, House Speaker Mike Johnson was still holding open a key procedural vote -- the bill's last hurdle before it can advance to be considered for final approval -- more than two hours after it was first called.

With no clear sign of the stalemate breaking, his lieutenants huddled in tense meetings behind the scenes with the rebels who had either voted no or had yet to come to the House floor.

"We're going to get there tonight. We're working on it and very, very positive about our progress," Johnson told........

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