The funding freeze could affect trillions of dollars and cause widespread disruption in health care research, education programs and other initiatives. Grants that have been awarded but not spent are also halted.

A federal judge temporarily blocked a Trump administration effort to freeze federal grants and potentially trillions of dollars in spending, but not before the Republican president’s declaration caused widespread tumult and confusion within Illinois government and among social service agencies,

Attorney General Andrea Campbell and prosecutors from other states planned to sue President Donald Trump after his administration issued a directive to pause the distribution of federal funding.