That was the failure of the Yanukovich government, followed by the disbanding of the Berkut, the disarray of the military and police, and two months later here we are and we don't even know the extent to which the "provisional" government in Kiev has any actual control of the country. They have failed to follow through on their "ultimatum" to the rebels in the East.

A society committed to the notion that government is always bad will have bad government. And it doesn't have to be that way. — Paul Krugman

Physical disintegration follows political disintegration. Recall the failure of the Yanukovich government was right after a highly publicised agreement between Yanukovich and the putative leaders of the "revolution", brokered by the international community.

Witnessed by
For the EU
Radoslaw Sikorski, Polish foreign minister
Frank-Walter Steinmeier, German foreign minister
Laurent Fabius, French foreign minister
For the Russian Federation
Vladimir Lukin, Russian special envoy

That's a black eye for Germany and Poland, too. But somehow that's supposed to be Russia's fault?

A society committed to the notion that government is always bad will have bad government. And it doesn't have to be that way. — Paul Krugman