The Trump administration has said it would expand operations at the American base in Cuba to hold up to 30,000 immigrants

He announced the move during a ceremony in which he signed another immigration detention measure into law called the Laken Riley Act. Trump said the "migrant facility" at Guantanamo Bay will be used to "detain the worst criminal illegal aliens threatening the American people.

The immigrants living in the U.S. illegally who will be sent to the detention facility are those who have committed crimes, President Trump said.