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 department’s latest instructions cap off a week in which President Trump's attempt to ratchet up his assault on the college was temporarily thwarted by the courts.

President Trump has restricted foreign student visas at Harvard University, an action that takes place amid an ongoing battle between the Trump administration and the Ivy League school. “Admission into the United States to attend,