U.S. authorities on Friday removed dozens of migrants through a border crossing in Santa Teresa, New Mexico, and Mexican authorities immediately placed them on buses and drove them south, away from Juarez.

This was the first time in recent memory that military aircraft were used to fly migrants out of the country, one U.S. official said.

President Donald Trump has pledged to carry out the largest deportation effort in US history, vowing to ultimately deport all of the foreigners living in the country without permission. They are thought to number at least 11 million,