El Salvador has agreed to house violent US criminals and receive deportees of any nationality, US Secretary of State Marco Rubio announced Monday, in an unprecedented – and legally problematic deal – that has alarmed critics and rights groups.

El Salvador has agreed to accept criminal illegal immigrants of any nationality as the United States works to deport hundreds of Venezuelan Tren de Aragua gang members. The agreement, announced by Salvadoran President Nayib Bukele‘s administration late Monday,

El Salvador has offered to accept undocumented immigrants of any nationality with criminal backgrounds from the United States, an agreement that comes as the Trump administration seeks to ramp up its mass deportation efforts.