‘Washington Post’ Iranian-American journalist Jason Rezaian during a press conference in Tehran in 2013. File photograph: EPA

Iran has freed four dual-nationality prisoners, one of whom is Washington Post reporter Jason Rezaian, Iranian state television has announced. A memb(...)

Video    image  showing US sailors after being apprehended by Iran’s Revolutionary Guards: Iranian and American officials said that the prompt release of the sailors was the result of the strong working relationship   but images  of the   sailors  with their hands behind their backs and on their knees could spark a backlash in the US Congress. Photograph: IRINN/HO/AFP/Getty

Iran has released two US navy patrol boats and 10 crew members who were taken into custody on Tuesday after Tehran said they strayed into Iranian wat(...)

US sailors in captivity in an undisclosed location in Iran in a handout picture released on  Farsnews website on Wednesday. The sailors were later released “after they apologised” for inadvertently entering Iranian waters, said Iran.    Photograph: farsnews.com/Reuters

Iran released 10 US sailors on Wednesday after holding them overnight, bringing a swift end to an incident that had rattled nerves days ahead of the e(...)

Iranian protesters confront police outside the Saudi embassy in Tehran during a demonstration against the execution of Shia cleric Nimr al-Nimr by Saudi authorities. Photograph: AFP Photo

The latest political crisis between Tehran and Riyadh has prompted a backlash against hardliners in Iran. Ordinary Iranians are often sceptical of t(...)

The EU’s high representative for foreign policy, Federica Mogherini,  has reiterated the EU’s opposition to the death penalty “in all circumstances” and expressed her concern at the risk of sectarian violence escalating in the Muslim world.  File photograph: Julien Warnand/EPA

The European Union has urged regional powers in the Middle East to “act responsibly” amid mounting concerns over the escalation of tensions in the reg(...)

Russia’s foreign minister Sergey Lavrov speaks to members of the Security Council at the United Nations Headquarters in New York which unanimously agreed a resolution endorsing an international roadmap for a Syria peace process. Photograph: Eduardo Munoz/Reuters

The United Nations Security Council has unanimously agreed a resolution endorsing an international roadmap for a Syria peace process, a rare show of u(...)

US secretary of state John Kerry, Saudi foreign minister Adel al-Jubeir and Turkish foreign minister Feridun Sinirlioglu before a meeting at the Hotel Imperial in Vienna, Austria. Photograph: AFP

Washington stuck to its demand on Thursday that Syrian President Bashar al-Assad leave power, ahead of peace talks which will include Mr Assad’s main (...)

Iranian foreign minister Mohammad Javad Zarif, who will lead his country’s delegation at talks in Vienna on the Syrian war. Photograph: Raheb Homavandi/Tima/Reuters

Iran is to join this week’s summit in Vienna on Syria in a long-sought diplomatic breakthrough that convenes a formal discussion for the first time be(...)

An Iranian foreign ministry spokeswoman said foreign minister Mohammad Javad Zarif will attend Friday’s talks in Vienna.  Photograph: Ebrahim Noroozi/AP

Iran has said it will attend the upcoming international talks over Syria’s future in Vienna. Iranian state TV quoted a foreign ministry spokeswoman(...)

Kaci Kullmann Five, the new head of the Norwegian Nobel Peace Prize Committee, announces the winner of 2015 Nobel Peace Prize. Photograph: Heiko Junge/EPA

The National Dialogue Quartet in Tunisia has won this year’s Nobel Peace Prize. The jury cited the group for “its decisive contribution to the buildin(...)