Might be less serious in practice than I remember, beyond just the Second Revolution style rhetoric of seizing power one way or another that went nowhere (and in the next elections RS and allies won 0 seats despite forming single bloc, because population got tired of their antics).
It was actually in 2015. Stuff like
https://www.rferl.org/a/right-sector-standoff-ukraine-shootout/27124178.html
https://www.euractiv.com/section/eu-russia/news/poroshenko-brands-parliament-attack-a-stab-in-the-back/
Might be less serious in practice than I remember, beyond just the Second Revolution style rhetoric of seizing power one way or another that went nowhere (and in the next elections RS and allies won 0 seats despite forming single bloc, because population got tired of their antics).