Calling Colombian President Gustavo Petro “an illegal drug leader,” President Donald Trump announced Sunday the end of all U.S. aid to the South American country, upending the relationship with one of the region’s closest military allies at a time of a massive U.

The U.S. has launched military strikes on seven alleged drug trafficking vessels since September, killing at least 32.

Colombia's foreign ministry said early on Monday the country has recalled its ambassador from the United States, after U.S. President Donald Trump said he would raise tariffs on Colombia and stop all payments to the South American nation,

President Donald Trump on Sunday announced he was cutting all federal funding to Colombia amid a deepening row between the right-wing populist American leader and socialist President Gustavo Petro.

President Gustavo Petro said a U.S. strike in the Caribbean had killed a fisherman. President Trump said he would cut aid and impose new tariffs on Colombian imports.

President Petro’s climate agenda endeared him abroad but not at home, where political rivals want to resume drilling and start fracking.

Colombian President Gustavo Petro responded on Wednesday (October 15) to U.S. government plans to launch Central Intelligence Agency (CIA) operations in neighboring Venezuela, warning of possible consequences for Colombia.