U.S. President Donald Trump says that he’s ordering tariffs, visa restrictions and other retaliatory measures against Colombia after its government rejected two military flights carrying migrants

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.

The U.S. government has worked to strengthen border security and enforce deportation policies, while Mexico has sought to balance cooperation with its own national interests. Tensions over immigration policies have repeatedly surfaced,