VIENNA (Reuters) - Iran and six major powers will begin a new round of negotiations in Vienna on May 13 to hammer out a long-term accord aimed at curbing Tehran's nuclear programme in exchange for sanctions relief, a Western diplomat said on Wednesday.
The diplomat, who spoke to Reuters on condition of anonymity, was in Vienna for a two-day negotiating session, the third in Vienna this year, during which participants said all important issues were discussed by U.S., British, French, Germany, Russian, Chinese and Iranian officials.