VIENNA, June 25 (UPI) -- The deal by which Iran's nuclear program is curtailed, in exchange for lifting of economic sanctions, is nearly complete, but obstacles remain, officials said.
Diplomatic leaders of Iran and the negotiating partners -- the United States, Russia, the United Kingdom, France, Germany and China -- including U.S. Secretary of State and John Kerry and French Foreign minister Laurent Fabius are arriving in Vienna to finalize the deal by the agreed-upon deadline of June 30.