Diplomatic sources have said that deputy foreign ministers are likely to leave Vienna talks on Saturday and the experts would continue the negotiations.
Earlier with the beginning of the talks on Thursday, it was speculated that the negotiators to remain in Vienna to continue the talks until end of June deadline without any break.
Iran and the 5+1 resumed the nuclear talks for 6th round on Thursday with deputy FMs attending the meeting in Austrian capital city of Vienna. Iranian team has so far held separate bilateral talks with Chinese and Russian representatives and a quadrilateral meeting with the three European states. Meanwhile, Iran and US deputy FMs held bilateral talks earlier this morning.