Tehran, June 17, IRNA - Iran's Foreign Ministry Deputies Abbas Araqchi and Mjid Takht-e Ravanchi held first session of 8th round of nuclear talks with Helga Schmid, a deputy for EU foreign policy chief Federica Mogherini, in Vienna on Wednesday afternoon.

Delegations from both sides are trying to finalize the text of a comprehensive nuclear deal within the next two weeks.

Iranian deputy foreign ministers will stay in Vienna till the end of June deadline. It is expected that Iran and P5+1 ministers also join the talks in the upcoming days.

Iranian deputy ministers held five days of talks at the 7th rounds of nuclear talks. They returned Iran on Monday and departed Tehran for Vienna on Wednesday to start a new round of negotiations.

Meanwhile, the team of experts led by Hamid Baeedinejad from Iran and Stephan Clement from the other side discussed technical aspects of the deal including the annexes of comprehensive nuclear deal.

The P5+1 group is composed of Russia, China, France, Britain, and the United States, plus Germany.

Araqchi has recently said that the West's excessive demand is a major obstacle to the progress of nuclear talks between Tehran and the P5+1 group of countries.

By IRNA