Pro-Russia troops have used gunfire in seizing a Ukraine military base, while Nato has declared early-warning flights around the east.

Neo-Nazis are in office for the first time in post-war Europe – but they are backed by the US and the West.

Events in Crimea have the potential to turn Ukraine into Europe’s worst security nightmare since the revolutions of 1989.

Ukraine’s opposition UDAR(Punch) party intends on submitting a parliamentary resolution calling on President Viktor Yanukovych to step down.

Ukraine’s President Viktor Yanukovych says a deal has been reached with the opposition, who has not confirmed the news after "very difficult" talks.

Anti-government demonstrators now occupy four buildings in the centre of Kiev, including the city hall.

The president weathered the Orange Revolution, but will need Moscow’s support to survive this year’s protests. But the opposition says its time to go.

Thirteen people were killed and 23 others injured in a natural-gas explosion at an apartment building in eastern Ukraine, the Emergency Situations Ministry said on Sunday,…