"The U.S. cannot treat Colombian migrants as criminals," Petro wrote.
Petro said even though there were 15,660 Americans without legal immigration status in Colombia, he would never carry out a raid to return handcuffed Americans to the United States.
"We are the opposite of the Nazis," he wrote, in a jab at Trump.
Mexico also refused a request last week to let a U.S. military aircraft land with migrants.
Colombian government did just caved out in fear, no VISA for anyone and 50% tariffs is a way too big thing for Colombian people to just let Petro (our already impopular president) do it, specially right now when there's a internal commotion status due to the rise of violence in Catatumbo, something that is mainly already his fault.