A marathon voting session on President Donald Trump’s sweeping domestic policy bill is underway in the Senate and has stretched overnight into the early hours of Tuesday morning after a weekend of negotiations and delays.

Senate Republican leaders continue to scrounge for votes to pass Donald Trump’s $3.3 trillion tax and spending bill as lingering intraparty fights threaten to upend the legislative centerpiece of the president’s domestic agenda.

The Senate is slogging through an overnight session as Republican leaders search for ways to secure support for President Donald Trump’s big bill of tax breaks and spending cuts.