Petro Poroshenko

Ukraine and pro-Russian rebels swap prisoners before New Year

Ukraine police rearrest ex-Georgian president Mikhail Saakashvili

Emmanuel Macron says France will not recognise Crimea 'annexation'

US sanctions to stay until Russia quits eastern Ukraine: White House

Ukraine delays vote on religious bill outraging Russia

Ukraine clings to nuclear power despite Chernobyl trauma

Kremlin expects `no breakthrough` on Ukraine at Berlin talks

IMF approves $1 billion in Ukraine aid after long delay

Hollande voices `concern` to Putin over Ukraine tension: Presidency

US, Ukraine urge end to soaring tensions with Russia

US urges Ukraine to avoid escalating tension with Russia

Ukraine eyes Thursday vote on new pro-EU government

Ukrainian PM Yatseniuk resigns, paving way for new government

Russia court hands Ukraine pilot Nadiya Savchenko 22-year sentence

Ukraine PM scrapes through crisis but uncertainty remains

Ukraine PM Yatsenyuk survives no confidence vote

Russia decries 'new Cold War'; East-West tensions cloud talks

Biden, Poroshenko discuss reforms needed in Ukraine: White House

Arseniy Yatsenyuk threatens to quit as Ukraine PM