Foreign Minister Mohammad Javad Zarif is scheduled to have intensive negotiations with his US, Chinese, and Russian counterparts on Sunday.

Zarif's meeting with US Secretary of State John Kerry is the first in his schedule today. Then, Zarif confers with Chinese Foreign Miinister Wang Yi who is on his way to Lausanne.

Simultaneous with ministerial meetings, Head of Iran Atomic Energy Organization Ali Akbar Salehi and his deputies meet with US Secretary of Energy Ernest Moniz and his assistants, IRNA reports.

Russian Deputy Foriegn Minister Sergei Ryabkov

Russian Foreign Minister Sergei Lavrov is also scheduled to arrive in Lausanne on Sunday afternoon.

Meanwhile nuclear negotiations between Iran and Group 5+1 in Lausanne are in progress strongly as negotiators are trying to reach a political agreement.

Speaking to reporters in Moscow on Saturday afternoon, Ryabkov said the chance for reaching an agreement in the talks is more than 50 percent.

Russian senior negotiator also said sanctions, uraniaum enrichment and Fordow nuclear site are among the disputed issues.

He said Russian Foreign Minister Sergei Lavrov would travel to Lausanne to participate in the talks.

Iran and six world powers started a new round of nuclear talks in the Swiss town of Lausanne on Thursday March 26 which is in progress.

Iran and the six world powers have been in talks to resolve outstanding issues surrounding Tehran’s nuclear program to pave the way for striking an overarching deal on the country’s nuclear program as a deadline slated for July 1 draws closer.

Today President Hassan Rouhani held a telephone conversation with German Chancellor Angela Merkel on Saturday night and discussed the latest situation with regards to the ongoing nuclear talks in Lausanne, Switzerland.

“We are arrived at sensitive times. Iran has shown enough flexibility in the negotiations and it is the turn of the other party to take the final steps now,” Rouhani told Merkel.

Rouhani also stressed in his phone call with Merkel that any deal should result in lifting of the sanctions because, he said, “the main aim of the deal is to forge trust between the two sides.”

Merkel said Germany was an effective supporter of the nuclear talks, adding that doing away with distrust about Iran’s nuclear program would be in the interest of all.

Foreign Minister Mohammad-Javad Zarif said on Saturday night that by having political intention possibility to reach a solution, there would exist and by having two meetings with foreign ministers of Germany and France, 'I feel the other side entered discussion by desire, too”.