Austria's Foreign and Integration Minister Sebastian Kurz (ÖVP) has said that in principle he understands why US President Donald Trump has promised to build a wall between the US and Mexico.

"So far every American president has tried to regulate migration to the US, and every other country in the world is also trying to control migration and not to allow it to continue uncontrolled," Kurz told the Austria Press Agency (APA).

Kurz added that he hoped that those who had been in favour of open borders and mass illegal immigration during the refugee and migrant crisis of 2015/16 now understood that that had been a mistake.

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