Colombian President Gustavo Petro has challenged Donald Trump after a US operation in Venezuela, warning that any attack on Colombia would spark widespread resistance. The exchange follows Trump’s accusations that Petro is linked to drug trafficking and his suggestion that military action against Colombia “sounds good.” Colombian President Gustavo Petro has challenged Donald Trump after a US operation in Venezuela, warning that any attack on Colombia would spark widespread resistance. The exchange follows Trump’s accusations that Petro is linked to drug trafficking and his suggestion that military action against Colombia “sounds good.”