President Donald Trump celebrated the speedy construction of “Alligator Alcatraz,” a new immigrant detention facility in the heart of the Florida Everglades, and warned that the only way for detainees to get out of this “treacherous” region is through deportation.

A new migrant detention centre in Florida, planned to open in weeks, will cost about $450m (£332m) a year to run.

Trump celebrates Alligator Alcatraz grand opening, as immigration officials continue the search for escaped detainees from New Jersey. What to know