Italy's paramilitary Carabinieri police working with Spain's Civil Guard arrested Salvatore Zazo as he was making a phone call in a shop in Barcelona on Saturday.Italian police say a Neapolitan fugitive wanted on drug trafficking charges has been captured in Barcelona.Italian police official Angelo Mazzagatti said on Sunday that an arrest warrant had been issued for Zazo a few months ago. He said Zazo, 52, was suspected of international trafficking in cocaine.Investigators say they believe Zazo has been leading the Mazzarella crime family in the historic center of Naples. It is part of the Camorra criminal syndicate.Police say authorities will ask for Zazo's extradition to Italy to stand trial.