A US judge on Friday blocked the Trump administration from massively expanding a procedure that allows authorities to swiftly deport migrants without a court hearing, in a blow for the president's mass deportation plans.

The process, which is called "expedited removal," had previously been used to rapidly deport migrants detained near the Mexican border if they had entered the US in the previous two weeks.

However since January, the administration of Donald Trump has expanded the use of the procedure across the whole country -- and applied it to migrants who have been in the US for up to two years.

US District Judge Jia Cobb blocked this expanded use of the procedure, saying it could lead to people being "erroneously" deported without due process, including the chance to prove they have

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