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(...)

Ukrainians light candles at the memorial for ‘liquidators’ who died during cleaning up works after the Chernobyl nuclear power plant disaster, during a ceremony in Slavutich city, some 190km north of the capital Kiev on Tuesday. Photograph: Sergey Dolzhenko/EPA

Ukraine held memorial services on Tuesday to mark the 30th anniversary of the Chernobyl nuclear disaster, which permanently poisoned swathes of easte(...)

View of the “sarcophagus” covering the damaged fourth reactor of the Chernobyl nuclear power plant. Photograph: Gleb Garanich/Reuters

Ukraine will today mark 30 years since an explosion tore through its Chernobyl atomic power station in the world’s worst nuclear disaster. Commemora(...)

Phil Healy of UCC in action at the Irish Universities Athletic Association Track & Field Championships 2016 at Morton Stadium in Santry. A video of her performance in the anchor leg of the 4x400m has gone viral around the world. Photograph: Cody Glenn/Sportsfile.

It’s the one sporting video it seems people can’t stop viewing, and not just for the performance of Phil Healy. Because to put it in its full and prop(...)

Liga Legzdina, a native Latvian who converted to Islam, on a bus in a suburb of the capital Riga. The government in Latvia is working on proposed legislation that would ban face-covering veils worn by Muslim women from public spaces. Photograph: Reinis Hofmanis/The New York Times

With her niqab, a face-covering Islamic veil that reveals just the wearer’s eyes, Liga Legzdina stands out amid pine trees, grasslands and wood-panell(...)

The relentless advance of the aspirated “haitch”

I spent a couple of hours last month talking to an English journalist who was in town to cover the Rising centenary. And during a wide-ranging exchang(...)

Russian President Vladimir Putin speaks during his annual end-of-year news conference in December: File photograph: Maxim Zmeyev/Reuters

Vladimir Putin and Sergey Roldugin forged a bond as young men. Fast friends, almost like brothers, they cruised the streets of Leningrad, singing and(...)

A house  damaged during clashes between Armenian and Azeri forces in the   Nagorno-Karabakh region, which is controlled by separatist Armenians, in a still image taken from video footage. Photograph: Nagorno-Karabakh Military Handout/Reuters TV

A new wave of fighting broke out in the Nagorno-Karabakh region on Saturday, killing dozens and drawing international calls for an immediate ceasefire(...)

Alexey Breus, a former Chernobyl engineer: ‘When I saw reactor four, I understood what it really means for your hair to stand on end. It was like something from a nightmare.’ Photograph: Dan McLaughlin

Alexey Breus never wanted to go to Pripyat, the model Soviet city built for staff at what was one of the world’s biggest atomic power stations: Cherno(...)

US Republican presidential front-runner Donald Trump on Sunday doubled down on his criticism of Nato and called for the alliance’s overhaul days before world leaders convene in Washington. Photograph: Jim Bourg/Reuters.

US Republican presidential front-runner Donald Trump has doubled down on his criticism of Nato and called for the alliance’s overhaul days before wor(...)