Staffing shortages led to more flight delays at airports across the U.S. on Tuesday as the federal government shutdown stretched into a eighth day, while union leaders for air traffic controllers and airport security screeners warned the situation was likely to get worse.

A Pew survey conducted from Sept. 22 to 28 among 3,445 U.S. adults found that Trump's approval rating stands at 40%, up slightly since August and on par with April and June. (The poll's margin of error is 1.9 percentage points.)

Speaker Mike Johnson suggested the House would not return for a standalone vote on keeping military paychecks on schedule during a press conference on day eight of the government shutdown.

US air travellers are experiencing a second day of flight delays and cancellations, as the government shutdown causes a worsening shortage of air traffic controllers. On Tuesday evening, the flight delays hit even more airports, with the cities of Nashville, Dallas, Chicago and Newark especially affected.

Certain lawmakers are discussing what it would take to reopen the government, starting with addressing the health care problem.

Fox News senior congressional correspondent Chad Pergram reports on the shutdown as Capitol Hill faces halted paychecks, new test votes and mounting pressure as federal workers await funding.

Here's the one big investment mistake driven by emotion that you should avoid as you watch the government shutdown drag on.

With Republicans and Democrats dug in to their respective positions, it is not clear when Congress will restore government funding and end a shutdown that started October 1.