May 31, 2015 - Swiss-made solar-powered plane Solar Impluse 2 takes off from Nanjing's Lukou International Airport in Nanjing, in eastern China for its next stop in Hawaii.

A Swiss trade delegation is in Tehran for holding trade talks.

A Swiss trade delegation expected is to visit Iran next week.

US Energy Secretary Ernest Moniz says all sanctions would be lifted when Iran complies with the nuclear restrictions.

As nuclear negotiations continue in Lausanne, Iranian negotiator Abbas Araghchi says there are still two to three issues that need to be resolved. Iran says it has already proven that it wants to build confidence and expects the other side to stop making excessive demands. Press TV’s Homa Lezgee reports.

Nuclear talks in the Swiss city of Lausanne are entering a critical phase. The sides are expected to make a joint statement by the end of March after which they can begin drafting a comprehensive deal. Iran says progress can be made to resolve all the issues and begin the writing process. Press TV’s Homa Lezgee reports.

Iran's nuclear negotiating team says an agreement is possible if members of the P5+1 group of countries make important political decisions and coordinate their various and sometimes contradictory positions. Our correspondent Homa Lezgee reports from the venue of the talks in the Swiss city of Lausanne.

A senior Iranian nuclear negotiator says the negotiating team will return to Tehran for new year as other parties return home for consultation.

A Swiss watchmaker has presented a device in the city of Basel that allows wearers to tell the time via a unique liquid mechanism.

A two-train rear-ended collision in Switzerland kills one person and injures another.