Women hold portraits of their lost husbands near a monument honouring people who were killed during cleanup efforts after the Chernobyl nuclear power plant disaster,  in Kiev, Ukraine on Tuesday. Photograph:  Sergey Dolzhenko/EPA

Ukraine, Belarus and Russia have marked 30 years since the Chernobyl atomic power station exploded, and paid tribute to hundreds of thousands of worke(...)

US President Barack Obama steps off Air Force One upon arrival at Stansted Airport on Thursday. Photograph: Dan Kitwood/Getty Images

US President Barack Obama made an impassioned appeal on Friday for Britain to remain in the European Union, saying membership had magnified Britain’s(...)

File photograph of US President Barack Obama and Queen Elizabeth II during a state banquet in Buckingham Palace in 2011. Photograph: Lewis Whyld/PA Wire

US President Barack Obama flies to London on Thursday with a mission: to persuade wavering British voters not to ditch membership of the European Uni(...)

Ex-tycoon Mikhail Khodorkovsky stands in the defendants’ box during his 2011 trail. Photograph: Denis Sinyakov/Reuters

In a victory for Moscow, a Dutch court on Wednesday overturned an order that Russia pay $50 billion to shareholders in defunct oil company Yukos, sayi(...)

Supporters of Serbian far-right leader Vojislav Seselj during a rally in Belgrade last month. Photograph: Alexa Stankovic/AFP/Getty Images

When Serbian ultranationalist Vojislav Seselj was controversially cleared of war crimes last month, cheers were heard far to the east of Belgrade. “(...)

Ukrainian pilot Nadezhda Savchenko. She was sentenced last month to 22 years in prison in Russia over her alleged role in the deaths of two Russian journalists. Photograph: AP Photo/Ivan Sekretarev

Ukrainian president Petro Poroshenko said on Tuesday he and Russian counterpart Vladimir Putin had agreed a framework for a deal to secure the release(...)

Russian servicemen Yevgeny Yerofeyev and Alexander Alexandrov look out from a glass-walled cage during a court hearing in Kiev, Ukraine. Photograph: Valentyn Ogirenko/Reuters

A Ukrainian court on Monday sentenced two Russian servicemen, captured in Ukrainian territory last May, to 14 years in prison on charges relating to t(...)

Britain’s chancellor of the exchequer George Osborne: “Higher taxes and a smaller economy are not a price worth paying.” Photograph: Michael Reynolds/EPA

Britain’s chancellor of the exchequer George Osborne outlined the bleakest scenario yet if the UK votes to leave the European Union, saying that Brit(...)

Israeli soldiers pray close to the border between Israel and Syria on the Golan Heights. File photograph: Baz Ratner/Reuters

Israeli prime minister Binyamin Netanyahu declared on Sunday that Israel would never relinquish the Golan Heights, in a signal to Russia and the Unite(...)

Panti Bliss has come in 29th place in the Time 100 readers poll of the world’s most influential people. Photograph: Aidan Crawley/The Irish Times

Panti Bliss has come in 29th place in the Time 100 readers’ poll of the world’s most influential people. The poll asked online readers to cast their (...)