Probational federal employees who lost their jobs on Thursday as part of the Trump administration's mass firing of government workers expressed shock and anger at the terminations, which they contend will hurt the government's ability to provide services.

The White House and OPM declined to say Friday how many probationary workers, who generally have less than a year on the job, have so far been dismissed. According to government data maintained by OPM,

Many of those impacted say they had already accepted the administration’s deferred resignation offer, under which they were supposed to be paid until Sept. 30 if they agreed to quit.