A special United Nations bureau organises a campaign to trace a drug-smuggling ring across Europe to its source on the Afghanistan-Iran border. A special United Nations bureau organises a campaign to trace a drug-smuggling ring across Europe to its source on the Afghanistan-Iran border. A special United Nations bureau organises a campaign to trace a drug-smuggling ring across Europe to its source on the Afghanistan-Iran border. A special United Nations bureau organises a campaign to trace a drug-smuggling ring across Europe to its source on the Afghanistan-Iran border.