The new cable was sent a day after consulates were directed to reject visa applications for foreign students planning to study at Harvard.

The State Department is conducting a substantive investigation into Harvard's student, business, tourist and other visas, according to reports.

A federal judge has blocked U.S. President Donald Trump's proclamation restricting new internation students to Harvard University. The ruling prevents enforcement while the case proceeds, and also extends protection for Harvard's Student and Exchange Visitor Program certification.

Harvard faces visa scrutiny as DHS ends its student program due to campus protests and alleged ties to antisemitism, impacting foreign student enrollment.

Live updates and the latest news as the Trump-Musk feud worries Republicans and a federal judge blocks the president's effort to deny student visas at Harvard.

President Donald Trump signed three presidential orders Wednesday evening restricting international travel, targeting foreign students at Harvard, and scrutinizing concerns that his predecessor in the White House concealed his cognitive decline and unlawfully delegated presidential powers to subordinates.

President Trump's proclamation gives the Secretary of State discretionary power to revoke visas of international students at Harvard, potentially affecting fall admissions and setting a precedent for other colleges.

In a move that has drawn fierce backlash from civil liberties advocates and the academic community, the Trump administration has launched a new policy requiring extensive social media checks for international visitors applying to attend or work at Harvard University.