GENEVA, June 10 (Xinhua) -- The nuclear talks between the U.S. and Iran have continued into the second day on Tuesday, with leading Iranian negotiator hailing the Monday talks as "positive and constructive."
The two delegations, led by U.S. Deputy Secretary of State Bill Burns and Iranian vice Foreign Minister Abbas Araqchi, resumed the two-day closed-door talks at the President Wilson Hotel in Geneva throughout the day.
On Monday the two sides initiated their first official talks over decades in a bid to further negotiate the Teheran's nuclear program.
"The dialogue with the United States took place in a positive climate and was constructive," the Iran's official IRNA news agency quoted Araqchi as saying after five hours of talks on Monday.
Iranian media reported that Araqchi will hold bilateral talks with French delegates on Wednesday.
Analysts say the talks would help to bring about a comprehensive nuclear agreement before the deadline of July 20, pinned down in a deal last November.
Araqchi said the July deadline may need to be extended another six months if a final agreement would not be reached.
"We hope to reach a final agreement (by July 20) but, if this doesn't happen, then we have no choice but to extend the Geneva deal for six more months while we continue negotiations," Araqchi told to IRNA.
A full round of negotiations, which involves P5+1 of Britain, China, France, Russia and the U.S. plus Germany, as well as Iran will be scheduled on June 16-20 in Vienna.
Several bilateral meetings between Iran and other members of the P5+1 group will also be held before that. A bilateral meeting between Iran and Russia will be take place in Rome.