Lawyers for a Maryland man who was mistakenly deported to El Salvador will ask a federal judge to order the U.S. to return him.

A U.S. judge in Maryland is scheduled to hear arguments on Friday over the erroneous deportation of a Salvadoran man who was flown to El Salvador last month as part of an agreement by President Donald Trump's administration with that country's government to detain alleged gang members.

Abrego Garcia, who had fled El Salvador as a teenager to escape gang violence, was expelled and sent back to his native land even though he had won a court order six years earlier barring his removal.