No breakthrough between Iran and U.N. nuclear watchdog after Tehran talks
"The purpose of the visit was to advance work towards the resolution of all outstanding issues regarding Iran?s nuclear programme, including clarification of possible military dimensions," Yukiya Amano said in a statement.
"I believe that both sides have a better understanding on some ways forward, though more work will be needed."
(Reporting By Shadia Nasralla; Editing by Robin Pomeroy)