Putin says troops may have crossed into Ukraine during patrol

Putin says Ukraine must enter 'substantial' talks with rebels

Poroshenko: All sides in Minsk backed Kiev peace plan

Putin rules out cutting 2018 World Cup venues

Putin: Ukrainian assault on eastern cities reminiscent of Nazi siege

Putin's aide confirms '2 weeks to Kiev' remark

Putin calls on pro-Russian rebels to let Ukraine troops leave encirclement

Putin compares Kiev to Nazi Germany

Putin visits 2018 World Cup venue in Moscow

Bishop to broach Putin G20 ban at NATO summit in Wales

Ukraine and Russia hold key talks

Putin urges Europeans to have 'common sense' over sanctions threat

Sanction Putin over Ukraine: Plibersek

Merkel asks Putin to explain reports of Russian troops in Ukraine

Putin attends opening of Spartak's new arena

Abbott slams Russia on Ukraine 'invasion'

Putin's good cop claim rings hollow in Kiev as rebel war widens

Government-held Ukraine town hit by rebel shells

Russia's Putin urges release of Ukrainian soldiers

Russia starts work on Gazprom gas pipeline to China

Asylum detention like Russia: Pussy Riot

Russia breaks ground on new gas pipeline to China

Putin says Ukraine talks positive, mulls political deals

Putin advisor says Russia invaded Ukraine

Ukraine vessels attacked as new EU sanctions against Russia loom

Ukrainian bonds drop on violence as currency curbs spur hryvnia

No sign of quick end to Ukraine conflict

'Golden Sanction' to halt Putin in Ukraine has eluded US, EU

Putin urges Europeans to have 'common sense' over sanctions threat

NATO warns Russia over 'blatant violations' in Ukraine conflict

Pro-Russian Rebels Hold Key Ukrainian Town

US warns of possible new sanctions against Russia over Ukraine

Top US senator urges weapons for Ukraine to fight 'invasion'