President Donald Trump has signed a proclamation to suspend international visas for new students at Harvard University, the White House announced Wednesday, in a dramatic escalation of its efforts to block foreign nationals from enrolling at the elite university.

The authoritarian nature of Trump’s abuse of executive power cannot be ignored, and the consequences of his coordinated attack on education must not be minimized.

Here's a closer look at how many international students are at New York schools. An F-1 visa is the most common type for international students, scholars, and trainees, according to USA TODAY.