The U.S. has imposed sanctions on three nephews of Venezuelan President Nicolás Maduro. The move is the latest by President Donald Trump to increase pressure on Venezuela to stem the flow of illegal drugs into the United States.

US authorities on Friday unsealed the warrant for an oil tanker seized off the coast of Venezuela decried as "international piracy" by Caracas. - 'Days are numbered' - US media reported that the seized tanker had been heading for Cuba -- another American rival -- and that the ship was stopped by the US Coast Guard.

US sanctions 3 nephews of Venezuelan President Maduro as Trump further ramps up pressure on South American nation.