U.S. immigration officials may deport migrants to countries other than their home nations with as little as six hours' notice, a top Trump administration official said in a memo, offering a preview of how deportations could ramp up.

A memo reveals the Trump administration is planning to deport immigrants to countries where they hold no citizenship, with little to no notice.

The dramatic shift in policy could result in thousands of immigrants being deported to places where they lack family ties or even a common language.