Harvard University received a letter from a federal task force Thursday outlining policy demands tied to nearly $9 billion in federal funding, a university spokesperson told CNN.

Human rights advocates and academic experts have condemned the moves as an assault on free speech and academic freedom.

The Trump administration may suspend $510 million in federal grants to Brown University. The White House confirmed Thursday it plans to freeze Brown's funding, although the university says it hasn't been made aware of this action by the government,