The vetting will go beyond student applicants and includes faculty, employees, contractors, guest speakers and tourists, according to the cable seen by NBC News.

A letter ordering federal agencies to cancel all remaining contracts with Harvard is the latest escalation in an ongoing back-and-forth over the school's ideological future.

President Donald Trump is in a fierce battle against Harvard University. Was Barron Trump rejected from the school? Where does he go to college?

Days after his administration moved to stop Harvard University from enrolling foreign students, President Trump said at a news conference Wednesday that the Ivy League college should set a limit for how many international students it accepts.

Harvard University alumnus Jonathan Harounoff criticizes the Ivy League school for focusing on opposing President Donald Trump rather than tackling antisemitism on campus.

The Trump administration is seeking to end all contracts it has with Harvard University, a move that adds to the strain between the federal government and America's researchers.

Some Harvard University students are expressing confusion and uncertainty among international students, while others are describing the battle between the university and the Trump administration as a game of "political chicken,

President Trump has taken on Harvard University, the oldest and one of the most prestigious universities in the country. His latest broadside seeks to end federal contracts with the school. His administration has pulled billions in federal funds from the university,