U.S. Senate Republicans were struggling to pass President Donald Trump's sweeping tax-cut and spending bill early on Tuesday, amid deep divisions within the party about its expected $3.3 trillion hit to the nation's debt pile.

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.

Senate Republicans can afford to lose no more than three of their own votes on the bill, but two already are opposed and others remained undecided.