New Delhi, May 19 -- In a rare weekend breakthrough for US President Donald Trump and House Speaker Mike Johnson, a key congressional committee on Sunday (May 18) advanced Trump's sweeping tax-cut bill, ending a days-long deadlock triggered by divisions within the Republican Party.

Four Republican hardliners who had blocked the legislation on Friday relented after closed-door negotiations with party leaders and White House officials. They allowed the tax bill to move forward during a rare Sunday night session of the House Budget Committee.

"We've made progress this weekend ... but we didn't get nearly far enough," said Representative Chip Roy, one of the conservatives demanding deeper cuts to federal spending.

A possible floor vote in ...