Under international law, countries are obligated to receive their own citizens who are deported by another country. But in practice, there are often ways to push back. Countries can block deportation flights from landing, decline to issue travel documents to their citizens and refuse to acknowledge that the deportees are their citizens.

The president’s made-for-TV showmanship has been all over his first days in office, as he has sought to kick off the country’s largest mass deportation effort.

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President Donald Trump boasted about America's strength and said that Colombia accepted to take deportees' flights and apologised after he threatened heavy sanctions. Trump said, "we may have tough talk from others,