The high court had already called a temporary halt to the deportations from a north Texas detention facility in a middle-of-the-night order issued last month.

President Donald Trump invoked the Alien Enemies Act against Tren de Aragua in mid-March, claiming that the gang is "perpetrating an invasion" into the U.S.

The U.S. Supreme Court has acted in a series of cases involving challenges to executive orders signed by President Donald Trump and actions by his administration since he returned to office in January.