The Trump administration followed through on its threat to pull federal funding from Harvard University hours after the oldest and richest US college refused to agree to a list of new government demands.

The government froze $2.2 billion of multi-year grants to Harvard, according to the Joint Task Force to combat antisemitism. The Trump administration last month said it was scrutinizing as much as $9 billion in federal grants and contracts as part of its efforts to combat antisemitism on US campuses.