VIENNA, June 28. /TASS/. Iran and the six world powers (five permanent members of the UN Security Council and Germany) are not managing the overwhelming agreement by the due date of June 30, a high-ranking diplomatic source at a western delegation told TASS on Sunday.
Various sources say the negotiations may be extended to July 7. On Saturday, a source at the U.S. delegation said they could continue the talks by maximum July 9.
"We expect the process will be extended technically," the source at a western delegation said.
Iran's Foreign Minister Javad Zarif will return from Tehran to Vienna for negotiations with the Sextet on June 30, an Iranian diplomatic source told TASS on Sunday.
"This is a decision already - this afternoon after the meetings Zarif will leave Vienna for the highest-level consultations in Tehran," the source said. "He will be back on June 30.".