But many of the top labor unions told ABC News that they continue to back the strategy taken up by Democrats, breaking with the American Federation of Government Employees (AFGE), which represents hundreds of thousands of federal workers losing out on pay and staring down the threat of layoffs.

Senate Majority Leader John Thune’s position against eliminating the Senate filibuster has not changed, a spokesperson told ABC News Friday, after Trump on Thursday called on Republicans to go "nuclear" and eliminate the filibuster to pass the Republican funding bill and reopen the government.

President Donald Trump is calling on the Senate to scrap the filibuster and reopen the government after a monthlong shutdown, breaking with majority Republicans who have long opposed such a move.

The filibuster is a longstanding parliamentary tool that halts action on most bills unless 60 senators in the 100-member chamber vote to move forward.

Officials in President Donald Trump's administration reportedly didn't expect the ongoing government shutdown to last longer than 10 days. But as the shutdown approaches day 32, their boss is now pushing hard for it to end by any means necessary.

Some of the busiest airports in the U.S. are experiencing major delays caused by staffing issues from the ongoing government shutdown.

Continued staffing shortages in air traffic control facilities around the country were again causing delays at airports on Friday as the government shutdown neared the one-month mark.