Italian police have broken an international mafia drug trafficking ring , seizing more than four tons of pure cocaine worth one billion euros.<br /><br /> Dozens of people were arrested in the operation which was aid by US and Spanish drug intelligence .<br /><br /> The narcotics are said to have links to Colombia’s leftist guerrilla FARC rebels.<br /><br /> The US side of the investigation, named “angry pirate” was also conducted in Brazil, Argentina, Colombia and other central America countries.<br />At one point 725 kilograms of cocaine were seized at sea near the Canary Islands while being transported on a sailing boat.
