A federal judge temporarily blocked part of the Trump administration’s pause on federal grants and loans Tuesday, just hours before it was set to take effect, as a slew of advocacy groups, charities,

A federal judge signaled he will issue a temporary restraining order barring the Trump administration from freezing federal loans and grants.

But the legal battle over the plan that set off panic and confusion across the country is just beginning, and it could become a constitutional clash over control of taxpayer money and expansion of executive power before the Supreme Court.