A federal judge on Thursday temporarily blocked a proclamation by President Donald Trump that banned incoming foreign students from entering the US to attend Harvard University. Hours earlier, Harvard had filed a legal challenge asking for the federal judge to block Trump’s order.

On Wednesday, President Donald Trump signed a directive seeking to block U.S. entry for Harvard’s international students. It marked the administration’s latest effort to squeeze Harvard’s foreign enrollment after a federal judge in Boston blocked the withdrawal of its certification to host students from overseas.