U.S. says some progress in Iran nuclear talks, but much work remains
The State Department official spoke after about six hours of talks between U.S. Secretary of State John Kerry, Iranian Foreign Minister Mohammad Javad Zarif and European Union foreign policy chief Catherine Ashton in Vienna.
"We?ve been chipping away at some of the issues. Everybody has put ideas on the table to see if we can move the ball forward," the official said. ?We have and continue to make some progress but there?s a substantial amount of work to be done."
(Reporting by Matt Spetalnick; Editing by Andrew Heavens)