When Colombia’s president, Gustavo Petro, refused military planes carrying deportees, infuriating President Trump, he revealed how heated the question of deportations has become.

He slaps a 25% tariff on Colombian goods and imposes a raft of visa restrictions. Latin American nations are grappling with how to deal with Trump on his signature issue.

Deportation flights between the U.S. and Colombia have resumed following a dispute between the two countries that nearly led to a trade war.

The Trump administration had added extra inspections for passengers from Colombia as part of a pressure campaign. The effects lingered into Wednesday.