It's unclear how long the shutdown will last, with the parties nowhere near an agreement. Democrats want health care money, while Republicans insist they won't be held "hostage.”

Both Republican and Democratic proposals that would have funded the government past Tuesday failed in the Senate, all but guaranteeing a shutdown at 12:01 a.m. Wednesday.

President Donald Trump’s budget office has ordered federal agencies to execute shutdown plans after a stopgap funding bill failed in the Senate Tuesday evening. Republicans put forth a bill that was already approved by the House,

Some House and Senate lawmakers are requesting that their paychecks be withheld as millions of federal workers prepare to go without pay.

Get live updates from Capitol Hill as Republicans and Democrats in Congress scramble to avoid a government shutdown.