The leader of the transnational gang Tren de Aragua has been killed in southern Venezuela as part of a joint operation with the United States, in what a top Pentagon official on Saturday described as a warning to “narco-terrorists” in Latin America. Hector Rusthenford Guerrero Flores, alias Nino Guerrero, was “neutralised” in southeastern Bolivar state, Venezuela’s Ministry of Communications said in a statement on Friday. US President Donald Trump said Guerrero was killed in “a swift and leth...