The White House indicated Tuesday that it was ready to battle with Gov. Gavin Newsom, who has threatened to sue over UCLA grant freezes. On the line are $584 million in frozen federal funds to campus.

The Department of Justice’s proposed $1 billion fine to the University of California at Los Angeles over alleged antisemitism was met with fighting words by the state’s Democrat governor. Gov. Gavin Newsom threatened to sue the Trump administration Friday, describing the fine as “extortion,” KQED reports.

California Gov. Gavin Newsom has already wagged his finger at the Trump White House for demanding “ransom” and changes to the admissions and hiring policies. The federal administration, in return, would unfreeze more than $500 million in frozen federal grants.