The petition expands those covered by the ACLU's request to all migrants held at the CECOT megaprison, not just those at risk of being sent there.

Lawyers for a group of at least 137 Venezuelan men sent to a prison in El Salvador last month have urged a judge to order Republican President Donald Trump's administration to facilitate their return to the U.

A federal judge in Maryland has ordered the Trump administration to facilitate the return of a 20-year-old Venezuelan asylum seeker deported to El Salvador, ruling the removal violated a court settlement protecting some young migrants with pending asylum claims,