third country rule

The move is the latest by the Trump administration to curb the flow of migrants seeking asylum at the southern border.

Just hours earlier, another judge ruled that the change could take effect because it was "in the greater public interest to allow the administration to carry out its immigration policy."

Immigrants who want to seek asylum at the U.S. southern border must first apply for refugee status in another country, according to a new rule that is set to take effect Tuesday.