U.S. President Donald Trump said on Wednesday he will sign an executive order instructing the Pentagon and the Department of Homeland Security to prepare a migrant facility at Guantanamo Bay.

US President Donald Trump has signed an executive order directing the Pentagon to set up a 30,000-person facility for undocumented migrants in Guantanamo Bay, Cuba. Trump said the facility - which is separate to the high-security US military prison also located there - will be used to house "criminal illegal aliens" that are deemed to pose a public safety risk in the US.

U.S. President Donald Trump said on Wednesday he will order the Pentagon and the Department of Homeland Security to prepare a migrant detention facility at Guantanamo Bay for as many as 30,000 migrants.

The president issued an executive order to construct a detention camp with room for 30,000 migrants on the U.S. naval base in Cuba

Guantanamo could be used to hold up to 30,000 migrants who are in transit waiting to be transported to their home countries.

He said the facility at the US Navy base in Cuba, which would be separate from its high-security military prison, would house "the worst criminal illegal aliens threatening the American people". Guantanamo Bay has long been used to house immigrants,

The president suggested 30,000 migrants could be housed on the base. It is unclear how the plan will take shape.