Washington (CNN) The Trump administration is limiting nonessential travel on the US-Mexico border and barring migrants illegally crossing the border from entering the US.

Citing the "unscreened" and "unvetted" people who come into the US from the southern border, President Donald Trump said the border would be sealed off "mostly, and even beyond, but mostly during this global pandemic ."

While similar actions are being taken at the US border with Canada, the latest move also seems designed to curb migration to the United States, a pillar of Trump's immigration agenda.

At the direction of the Centers for Disease Control and Prevention, the Department of Homeland Security will suspend entry of all migrants "seeking to enter the US without proper travel documentation" -- for both the northern and southern border, Wolf said Friday.

Migrants who are apprehended at the border will either be quickly removed or repatriated to their origin country, Wolf added. The restrictions will kick in at midnight.

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