Less than a week into his presidency, Donald Trump has briefly engaged in his first international tariff dispute. And the target wasn't China, Mexico or Canada - frequent subjects of his ire - it was Colombia, one of America's closest allies in South America.

A simmering diplomatic stand-off over deportation flights spilled onto social media Sunday, threatening the once close relationship between the US and Colombia and further exposing the anxiety many feel in Latin America towards a second Trump presidency.

Trump’s tariff threat soon escalated beyond a simple tax dispute. The Trump administration issued a series of harsh retaliatory sanctions and penalties, including visa sanctions