REFILE – CORRECTING IDENTIFICATION

European Union foreign policy chief Catherine Ashton (L) and Iranian Foreign Minister Mohammad Javad Zarif wait for the start of a conference in Vienna February 18, 2014. Six world powers and Iran began talks in Vienna on Tuesday in pursuit of a final settlement on Tehran’s disputed nuclear programme in the coming months despite warnings from both sides that a deal may prove impossible. REUTERS/Dragan Tatic/Austrian Foreign Ministry/Handout (AUSTRIA – Tags: POLITICS ENERGY BUSINESS) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS