The Trump administration on Thursday opened a civil rights investigation into the hiring practices at George Mason University, expanding a national campaign against diversity policies to Virginia’s largest public university.

“George Mason University (GMU) received a new Department of Education letter of investigation this morning as it was simultaneously released to news outlets, which is unprecedented in our experience. As always, we will work in good faith to give a full and prompt response.

The U.S. government on Thursday announced probes into hiring practices and diversity, equity and inclusion initiatives by the state of Minnesota and Virginia's George Mason University.