A newly unsealed US justice department indictment accuses the captured Venezuelan president, Nicolas Maduro, of running a corrupt, illegitimate government fuelled by an extensive drug-trafficking operation that flooded the US with thousands of tons of cocaine. The arrest of Maduro and his wife in a stunning military operation early on Saturday in Venezuela sets the stage for a major test for US prosecutors as they seek to secure a conviction in a Manhattan courtroom against the longtime leader of the oil-rich South American nation.