World powers and Tehran are close to a deal on curbing Iran's nuclear ambitions and the marathon negotiations look set to be successfully concluded "in the coming days."
US President Barack Obama warned he will "walk away" from a bad nuclear deal with Iran, as Tehran and six world powers gave themselves until July 7 to reach an agreement.
Russia's Foreign Minister Sergei Lavrov said he planned to meet his US counterpart John Kerry in Vienna where global powers are engaged in make-or-break nuclear talks with Iran.
EU foreign policy chief Federica Mogherini said all sides had shown the political will needed to strike a nuclear deal with Iran, praising the "good results" despite a day of tough talks.
US Secretary of State John Kerry was set to try and seal a historic deal with Iran that would curb its nuclear programme in exchange for relief from painful sanctions.
Days before the deadline for an Iranian nuclear deal, Israeli Prime Minister Benjamin Netanyahu told young pilots that they would be at the forefront of safeguarding the Jewish state.
Top US diplomat John Kerry warned there would be no deal with Iran if it fails to satisfy all lingering questions about its nuclear program, as he prepares to head back to tough negotiations.
Iran's supreme leader Ayatollah Ali Khamenei restated his country's red lines for a nuclear deal in a dramatic intervention during a meeting with President Hassan Rouhani and top officials.
Austria will next week officially file a legal complaint in Brussels against state subsidies for Britain's planned new Hinkley Point nuclear power plant.
Russia's negotiator has described a "very worrying" slowdown in progress in nuclear talks between Iran and six major powers ahead of a June 30 deadline to finalise a historic accord.
US top diplomat John Kerry and his Iranian counterpart will Saturday launch a new high-stakes diplomatic drive to nail down an unprecedented nuclear deal.
Kazakhstan will allocate €1 million for the construction of the New Safe Confinement (NSC) intended to contain the nuclear reactor at Chernobyl, Ukraine.
Iran can play a major role in persuading Syrian President Bashar al-Assad to cooperate in peace talks, EU foreign affairs chief Federica Mogherini said.
Ukrainians marked 29 years since the Chernobyl nuclear disaster, placing wreaths and candles near the plant where work to lay a new seal over the reactor site has been delayed.