Background and guides
From protest to conflict
Timeline of major events, from the fall of Yanukovych to war in the east
MH17 air crash
What we know of the downing of a Malaysia Airlines plane in eastern Ukraine
The rebel vote
Why the elections in eastern Ukraine were controversial
Blood and honour?
Ukraine rebels fight on to keep dream alive
Why did Russia cut off Ukraine's gas and will it turn it back on?
Who are the Putin allies targeted by the West?
Impact of sanctions
How far do EU and US measures go?
Profile: 'Chocolate king'
Ukraine's new president, Petro Poroshenko - free market champion and ex-minister
Features and Analysis
Surge in violence
A new ceasefire deal is signed for eastern Ukraine - but recent clashes have been more intense