Russian Foreign Minister Sergei Lavrov reaffirmedhe is still optimistic on prospects for a nuclear accord with Iran.
Asked by the press in Vienna on Monday, if there was chance for an Iran dealtonight, Lavrov replied, there is always a chance.
Lavrov meet with his Iranian counterpart Mohammad Javad Zarif earlier in the day.
Talks between Iran and six western powers have apparently bogged down over a
number of differences between both sides.