A high-stakes vote on President Donald Trump‘s marquee tax bill remains in limbo as a handful of senators demand additional concessions before granting their support. After three hours of voting, the Senate had still not concluded a procedural vote that would allow the Senate to debate and amend the legislation.

The Senate is expected to grind through a rare weekend session as Republicans race to pass President Donald Trump’s package of tax breaks and spending

The U.S. Senate late Saturday conducted its first vote to move the massive spending bill forward after Republicans released their updated version.