A  Ukrainian helicopter engages in military drill near the village of Urzuf close to Mariupol in eastern Ukraine: martial law has been imposed in border regions for 30 days. Photograph: Sega Volski/AFP

Ukraine has banned most Russian men from entering the country as part of security measures imposed after Moscow’s forces seized three of its ships and(...)

Ukrainian president Petro Poroshenko: creation of an independent church represents “a victory for good over evil, light over darkness”.  Photograph: Sergei Chuzavkov/AP

The Kremlin has pledged to “defend the interests” of Russian church believers in Ukraine during a growing dispute between rival branches of the countr(...)

Patriarch Filaret has called for Ukraine’s churches to unite and choose one leader. Photograph: Genya Savilov/AFP

Ukraine is poised to create a national Orthodox church that is independent of Russia, after a Holy Synod in Istanbul made historic rulings in Kiev’s f(...)