Here are the agencies affected by shutdown layoffs

The White House on Friday announced it was moving forward with layoffs of federal employees, making good on its threats amid the government shutdown.

Multiple agencies have confirmed their staff have received notices about reductions in force (RIFs). Details about the total number of employees affected are still unclear, though the number is expected to be in the thousands.

Office of Management and Budget Director Russell Vought announced layoffs would begin Friday, a day after the Senate failed to pass rival GOP and Democratic bills to end the shutdown.

Employees unions have vowed to challenge the firings in court, and Democrats and even some Republicans have criticized the move as one that turns federal workers into political pawns and threatens critical government services.

Here are