Harvard University filed a federal lawsuit against the Trump administration Monday, arguing it has violated the university’s constitutional rights by freezing billions of dollars in federal funding and imperiling its academic independence.

Harvard University sued on Monday to block U.S. President Donald Trump from freezing billions of dollars in federal funding after the elite research institution rejected a list of White House demands that it said would undermine its independence.

Harvard University sued the Trump administration Monday in a new escalation of the fight over institutional oversight, independence and federal funding for the Ivy League school.