US secretary of state John Kerry with  his Iranian counterpart, Mohammad Javad Zarif,  during a new round of nuclear negotiations in Montreux, Switzerland,  yesterday. Photograph: Evan Vucci/Reuters

They have spent long hours alone together. They exchange private emails. Their walk along the Rhone river in Geneva in January so unnerved hardline la(...)

Israeli prime minister Benjamin Netanyahu is to address Congress. Photograph: Chris Ratcliffe/Bloomberg

US secretary of state John Kerry has attempted to defuse tension with Israel on the eve of Benjamin Netanyahu’s address to Congress, where he will spe(...)

US secretary of state John Kerry: told ABC Television,  “Our hope is diplomacy can work. He believes a 2013 interim agreement with Tehran has halted significant aspects of Iran’s nuclear programme. Photograph: Saul Loeb/AFP/Getty Images

and The Obama administration insisted yesterday that United States diplomacy with Iran deserved “the benefit of the doubt”, as Israeli prime minist(...)

Israel’s prime minister Binyamin Netanyahu looks on as US president Barack Obama speaks in the Oval Office of the White House  on March 3rd, 2014. The relationship between Israel and the US ‘has never been so terrible as it is today’, according to Giora Eiland, a former Israeli national security adviser. Photograph: Andrew Harrer/Bloomberg

When US president Barack Obama’s national security adviser sat down with her Israeli counterpart at the White House last week, she upbraided him over (...)

Israel’s Prime Minister Benjamin Netanyahu pauses while he speaks to supporters of his Likud party as he campaigns in the West Bank Jewish settlement of Maale Adumim, near Jerusale. Mr Netanyahu has rebuffed criticism in Washington of his plans to speak in Congress, accusing world powers of forsaking a pledge to prevent Tehran from acquiring nuclear weapons. Photograph: Nir Elias/Reuters

The row between the White House and Israeli prime minister Binyamin Netanyahu has intensified with US officials saying his outspoken condemnation o(...)

A tank of pro-Russian separatists on the road from Donetsk to Novoazovsk, Mariupol district, in Ukraine  on Tuesday. A ceasefire deal for the country is in limbo after international talks only highlighted disagreement over the plan. Photograph: Andrey Borodulin/AFP/Getty Images

A ceasefire deal for Ukraine is in limbo after international talks only highlighted disagreement over the plan, and Washington accused Moscow of lyin(...)

British foreign secretary Philip Hammond meets with US secretary of state John Kerry (right) on 21st February, 2015 in London, England. Photograph: Neil Hall/Pool/Getty Images)

The United States and its allies are discussing imposing more sanctions against Russia for undermining a European-brokered truce in eastern Ukraine, U(...)

Minister for Foreign Affairs Charlie Flanagan stands under pictures of Jews killed in the Holocaust during his visit to the Hall of Names at Yad Vashem’s Holocaust History Museum in Jerusalem last Wednesday. Photograph: Ronen Zvulun/Reuters.

Charlie Flanagan paid his first visit to the Middle East as Minister for Foreign Affairs this week when he visited Israel, Gaza and the West Bank. On (...)

US secretary of state John Kerry  will also travel to Londonon Saturday to meet foreign secretary Philip Hammond to discuss bilateral and global issues. Photograph: Brendan Smialowski/AFP/Getty Images

US secretary of state John Kerry will travel to Geneva on Sunday for talks with Iranian foreign minister Mohammad Javad Zarif as part of negotiations (...)

Police officers block people protesting over news that Nigeria has postponed its presidential election on security grounds and fears over Boko Haram violence.  Photograph: AFP/Getty

Nigeria’s decision to postpone elections for six weeks because of spreading attacks by the Islamist militant group Boko Haram in the northeast is a “s(...)