'Will take up arms': Colombia prez unfazed by Trump's threats; what ex-guerrilla fighter said

Colombian President Gustavo Petro declared he would "take up arms" after US President Donald Trump threatened military action and accused him of drug trafficking. Petro defended Colombia's anti-narcotics strategy, warning that excessive force could lead to civilian casualties and a surge in guerrilla activity. The exchange follows a US operation in Venezuela that captured President Maduro.