Harvard University is challenging President Donald Trump’s move to block foreign students from coming to the United States to attend the Ivy League school, calling it illegal retaliation for Harvard’s rejection of White House demands.

A federal judge late Thursday temporarily blocked a proclamation by President Donald Trump that banned foreign students from entering the U.S. to attend Harvard University

Musk backed former Secretary of State Hillary Clinton in 2016 and former President Joe Biden in 2020, but did work with Trump at times during his first term. He said in 2017 that simply attacking Trump would "achieve nothing," calling for "open channels of communication" with the president.

President Trump said his relationship with Elon Musk might be over after Musk spent the past few days trying to defeat Trump's "big, beautiful bill."

Elon Musk, who recently ended his tenure overseeing the cost-cutting U.S. DOGE Service, escalated his attacks Wednesday on President Donald Trump’s massive tax and immigration package, urging lawmakers to “KILL the BILL.