The U.S. Embassy in Colombia canceled Visa appointments on Monday with people seeking entry into the United States, the latest chapter in a nasty battle between the two countries sparked by Colombia’s initial refusal to accept military flights filled with deportees sent by President Trump.

The United States canceled visa appointments at its embassy in Colombia on Monday amid a diplomatic dispute between US President Trump and Colombian President Gustavo Petro over deportation flights. The issue arose when Petro refused to allow two US Air Force planes carrying Colombian deportees to land,

The move followed a dispute between President Trump and President Gustavo Petro over deportation flights that nearly turned into a costly trade war between both countries.

Colombia avoided tariffs that would have a devastating effect on its economy, but visa restrictions issued on Sunday by the U.S. State Department are still in place.