Ukraine’s government stepped down today, prime minister Arseniy Yatsenyuk announced, clearing the way for elections in October as the country finds itself in the grip of events threatening to tear it apart. Photograph: Andrew Kravchenko/EPA

Ukrainian prime minister Arseniy Yatsenyuk has announced his resignation, opening the way for new elections that would reflect the country’s starkly c(...)

Russian president Vladimir Putin said Russia will respect the outcome of Ukraine’s presidential election, butstopped short of declaring the upcoming poll as legitimate, saying merely that Moscow hopes for an end of the crisis in Ukraine. Photograph: Mikhail Kilmentyev/EPA/Kremlin Pool

Vladimir Putin says Russia will recognise the outcome of Ukraine’s presidential vote.The Russian president said Moscow will “respect the choice of the(...)

 A woman and children at a ballot box  during the  referendum organised by members of the so-called Donetsk People’s Republic  at a polling station in Mariupol, Ukraine, today. Photograph: Alexey Furman/EPA

Residents of eastern Ukraine have been forming long queues at polling stations today to cast their votes in hastily organised independence referendums(...)

Pro-Russian protesters outside  offices that were later seized in Donetsk, Ukraine, today. Photograph: Sergey Ponomarev/New York Times

Russian president Vladimir Putin has said Ukraine should withdraw its military from the eastern and southern regions of the country - a statement that(...)

Pro-Russian protesters attend a rally in front of the occupied regional administration building in Slaviansk, east Ukraine yesterday. Russia continued to deny any involvement with unrest in the region, foreign minister Sergei Lavrov saying: “We don’t interfere in Ukraine’s internal affairs.” Photograph: Roman Pilipey/EPA

Pro-Russian separatists intensified their hold on key cities in eastern Ukraine yesterday, defying a deadline imposed by the Ukrainian government t(...)

Russian navy Tarantul-III class missile boat of the Black Sea fleet prepares for a voyage at the Crimean city of Sevastopol. Western states claim Russia has amassed about 40,000 troops on its border with Ukraine. Photograph: EPA/Sergei Ilnitsky

Nato has suspended co-operation with Russia over its annexation of Crimea and its build-up of forces on Ukraine’s(...)

A mural of the  map of Crimea filled in with the Russian national colours on a street in Moscow in recent days.  Photograph: Artur Bainozarov/Reuters

Nato is to meet today to seek ways to further ease tensions with Russia over Ukraine a day after President Vladimir Putin began withdrawing for(...)

People attend a rally in Moscow to support the annexation of Ukraine’s Crimea to Russia. Photograph: Maxim Shemetov/Reuters

‘A far-off country of which we know little” was Neville Chamberlain’s argument for doing nothing about Hitler’s 1938 annexation of Czechoslovak(...)

Cossacks rally yesterday in the Russian southern city  of Stavropol to support the annexation of Crimea. Photograph: Eduard Korniyenko/Reuters

The West has pledged to impose more sanctions on Moscow after it annexed Crimea yesterday, in a move that prompte(...)

Pro-Russian protesters in a show of defiance during a takeover of the regional parliament building in the eastern Ukrainian city of Donetsk yesterday. Photograph: The New York Times

Russia’s military intervention in Ukraine places it “on the wrong side of history”, US president Barack Obama has said, as Washington, Nato and the(...)