The Ukrainian military doesn't want to get involved in the power struggle. The constitution of the country prohibits the army from meddling with internal affairs, says chief of staff Iljin.
At least for the moment, the army doesn't want to interfere, i.e. they give their silent acceptance to the coup by the opposition.
Maybe the military wants to wait and see which side comes out on top and then side with them. I count their current neutrality as a victory for the opposition, as it is clear that they don't follow Yanukovych's orders. In any case, the Ukrainian border patrol has prevented Yanukovych from crossing the border to Russia.
The police of Kiev has already given their open support to the opposition.

Above you can see the country's division in Pro-Russians and Pro-Europeans. Yanukovych has support in the east, and many of the eastern provinces have openly put the parliament's recent decisions in question.
Below a map of spoken languages. The language lines follow exactly the political lines.
Edited 2/22/2014 19:15:16