Harvard University sued the Trump administration over its move to block international student enrollment and said it was seeking a temporary restraining order to reverse the action.The government restriction harms to the school and “imperils the future of thousands of students and scholars across Harvard,

The Trump administration has moved to end Harvard's ability to enrol international students, escalating a standoff with America's oldest university.

The move against Harvard has huge implications for the million or so international students in the US.