Ukrainian prime minister Arseniy Yatsenyuk:  his country now has sufficient fuel in storage and can buy gas more cheaply from Europe. Photograph: Andrew Kravchenko/AP Photo

Ukraine has stopped buying gas from Russia and barred Russian airliners from its airspace, as tension between the neighbours increased over an energy (...)

People play cards in Simferopol, Crimea, on Sunday. Crimea has declared a state of emergency after its main electricity lines from Ukraine were blown up, leaving the Russian-annexed peninsula in darkness. Photograph: AFP Photo/Max Vetrov

Ukraine has ramped up pressure on Russia by banning goods deliveries to Crimea, the peninsula annexed by Moscow last year, and by failing to restore p(...)

The flag of the Crimean Tartars wrapped around a damaged electricity pylon near Chaplynka village of Kherson region, Ukraine, November 22nd, 2015. Photograph: Hromadske TV/EPA

Crimea was left without electricity supplies from Ukraine on Sunday after pylons carrying power lines to the Russia-annexed peninsula were blown up ov(...)

Russia’s president Vladimir Putin and US president Barack Obama meet at the G20 summit in Turkey on November 16th. Photograph: Kayhan Ozer/AFP/Getty Images

Whatever Islamic State made of Vladimir Putin’s order to the Russian navy to treat French forces “as allies” in the waters off Syria, it will have sen(...)

Governor of Odessa Mikheil Saakashvili is determined to make Ukraine’s largest region, a model of liberal reform. Photograph: Alexey Kravtsov/AFP/Getty Images

Ukraine’s potential to become a new European hub of internet innovation was a feature of the Web Summit last week, where nine of the embattled coun(...)

Russians attend a commemoration in St Petersburg for victims of an airliner which crashed in Egypt. Photograph: Peter Kovalev/Reuters

A hush fell over the square in front of St Petersburg’s Winter Palace as 224 red balloons took off into the night sky, one for each passenger who died(...)

The European Commission is likely to face pressure from the food industry to downplay the findings amid fears of its impact on food consumption. Photograph: Getty Images

The European Commission said it will “carefully analyse” the World Health Organisation report that processed meats can increase the risk of cancer. S(...)

Airplanes of Ukrainian International Airlines are seen on the tarmac of Boryspil International airport outside Kiev, Ukraine. Flights between Russia and Ukraine will be terminated on Sunday after the countries exchanged sanctions against their airlines. Photograph: Valentyn Ogirenko/Reuters

Flights between Russia and Ukraine will be terminated on Sunday after the countries exchanged sanctions against their airlines amid a standoff over Mo(...)

Former Ukrainian prime minister Yulia Tymoshenko. She and her party were trounced in presidential and parliamentary elections last year

Ukrainians vote in local elections on Sunday as disillusionment grows with the country’s post-revolutionary leaders, and a remarkable political surviv(...)

German chancellor Angela Merkel waves after giving a speech during the European People’s Party congress in Madrid. Photograph: AP Photo/Francisco Seco

German chancellor Angela Merkel yesterday urged EU member states to share responsibility for the refugee crisis across the bloc, as Hungarian prime mi(...)