The Trump administration has unveiled new steps to target federal funding to Harvard University, cutting off all new federal research grants unless the elite school enacts political policy changes amid a broader national clash over academic freedom,

Washington — The Trump administration said Monday it would cut off all new federal research grants to Harvard University in the latest escalation of its battle with the school.

A letter from Linda McMahon, the education secretary, said university leaders must demonstrate more responsible management before receiving additional federal grants.