PGR, I posted this after you asked "who are they?" on another thread. I realized I did not really know either, so on pursuing that I found this and posted it.
Anyway see the posts above from Mimi3.
Here is a post from some days ago about the nationalistic parties in Ukraine.
http://www.freerepublic.com/focus/news/3127884/posts?page=48#48
In addition to those links here is two from the BBC:
http://www.bbc.com/news/world-europe-26468720
http://www.youtube.com/watch?v=5SBo0akeDMY