The negotiating parties are trying to hammer out a compromise deal on Iran's nuclear program in Vienna.

MOSCOW (Sputnik) � Negotiations on Iran�s nuclear energy program have ended between the US and Iranian delegations and have just begun between Iran and Russia, a source familiar with the talks told Sputnik on Tuesday.

Earlier, talks were held between US Secretary of State John Kerry and Iranian Foreign Minister Mohammad Zarif. Zarif has now begun talks with Russian Foreign Minister Sergei Lavrov in Vienna.
By Sputnik News