The president authorized the military to assist in deportations. The planes triggered a crisis between the United States and Colombia, and prompted questions. Here’s what to know.

The nations spent much of the day in a tense standoff, with the U.S. president threatening tariffs and visa restrictions after Colombia turned away two deportation flights.

U.S. President Donald Trump and Colombian President Gustavo Petro ended their public tit for tat that began when military planes with migrants were blocked, a disagreement that veered into tariff threats on both sides.