The report undercuts months of assertions by senior Trump officials, who have repeatedly claimed they have no power to compel the return of these individuals.

Over 200 migrants who were sent to a Salvadoran prison under accusations they were gang members are the responsibility of the U.S., El Salvador officials told the U.N.

The US government said Wednesday it has located a man wrongly deported to El Salvador and whose whereabouts were previously unknown, adding that he is being held in the country’s CECOT maximum-security prison.